21115508820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{8273}}^1$

素因数の和:8454

約数の個数: 192

約数和(自身を含む): 69390397440

約数和(自身を除く): 48274888620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 84, 103, 105, 118, 140, 177, 206, 210, 236, 295, 309, 354, 412, 413, 420, 515, 590, 618, 708, 721, 826, 885, 1030, 1180, 1236, 1239, 1442, 1545, 1652, 1770, 2060, 2065, 2163, 2478, 2884, 3090, 3540, 3605, 4130, 4326, 4956, 6077, 6180, 6195, 7210, 8260, 8273, 8652, 10815, 12154, 12390, 14420, 16546, 18231, 21630, 24308, 24780, 24819, 30385, 33092, 36462, 41365, 42539, 43260, 49638, 57911, 60770, 72924, 82730, 85078, 91155, 99276, 115822, 121540, 124095, 127617, 165460, 170156, 173733, 182310, 212695, 231644, 248190, 255234, 289555, 347466, 364620, 425390, 488107, 496380, 510468, 579110, 638085, 694932, 850780, 852119, 868665, 976214, 1158220, 1276170, 1464321, 1704238, 1737330, 1952428, 2440535, 2552340, 2556357, 2928642, 3408476, 3416749, 3474660, 4260595, 4881070, 5112714, 5857284, 5964833, 6833498, 7321605, 8521190, 9762140, 10225428, 10250247, 11929666, 12781785, 13666996, 14643210, 17042380, 17083745, 17894499, 20500494, 23859332, 25563570, 29286420, 29824165, 34167490, 35788998, 41000988, 50275021, 51127140, 51251235, 59648330, 68334980, 71577996, 89472495, 100550042, 102502470, 119296660, 150825063, 178944990, 201100084, 205004940, 251375105, 301650126, 351925147, 357889980, 502750210, 603300252, 703850294, 754125315, 1005500420, 1055775441, 1407700588, 1508250630, 1759625735, 2111550882, 3016501260, 3519251470, 4223101764, 5278877205, 7038502940, 10557754410, 21115508820]

約数ペア:

[(1, 21115508820), (2, 10557754410), (3, 7038502940), (4, 5278877205), (5, 4223101764), (6, 3519251470), (7, 3016501260), (10, 2111550882), (12, 1759625735), (14, 1508250630), (15, 1407700588), (20, 1055775441), (21, 1005500420), (28, 754125315), (30, 703850294), (35, 603300252), (42, 502750210), (59, 357889980), (60, 351925147), (70, 301650126), (84, 251375105), (103, 205004940), (105, 201100084), (118, 178944990), (140, 150825063), (177, 119296660), (206, 102502470), (210, 100550042), (236, 89472495), (295, 71577996), (309, 68334980), (354, 59648330), (412, 51251235), (413, 51127140), (420, 50275021), (515, 41000988), (590, 35788998), (618, 34167490), (708, 29824165), (721, 29286420), (826, 25563570), (885, 23859332), (1030, 20500494), (1180, 17894499), (1236, 17083745), (1239, 17042380), (1442, 14643210), (1545, 13666996), (1652, 12781785), (1770, 11929666), (2060, 10250247), (2065, 10225428), (2163, 9762140), (2478, 8521190), (2884, 7321605), (3090, 6833498), (3540, 5964833), (3605, 5857284), (4130, 5112714), (4326, 4881070), (4956, 4260595), (6077, 3474660), (6180, 3416749), (6195, 3408476), (7210, 2928642), (8260, 2556357), (8273, 2552340), (8652, 2440535), (10815, 1952428), (12154, 1737330), (12390, 1704238), (14420, 1464321), (16546, 1276170), (18231, 1158220), (21630, 976214), (24308, 868665), (24780, 852119), (24819, 850780), (30385, 694932), (33092, 638085), (36462, 579110), (41365, 510468), (42539, 496380), (43260, 488107), (49638, 425390), (57911, 364620), (60770, 347466), (72924, 289555), (82730, 255234), (85078, 248190), (91155, 231644), (99276, 212695), (115822, 182310), (121540, 173733), (124095, 170156), (127617, 165460)]