21492776340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{215921}}^1$

素因数の和:216022

約数の個数: 144

約数和(自身を含む): 75451783680

約数和(自身を除く): 53959007340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 948, 1106, 1185, 1260, 1422, 1580, 1659, 2212, 2370, 2765, 2844, 3318, 3555, 4740, 4977, 5530, 6636, 7110, 8295, 9954, 11060, 14220, 16590, 19908, 24885, 33180, 49770, 99540, 215921, 431842, 647763, 863684, 1079605, 1295526, 1511447, 1943289, 2159210, 2591052, 3022894, 3238815, 3886578, 4318420, 4534341, 6045788, 6477630, 7557235, 7773156, 9068682, 9716445, 12955260, 13603023, 15114470, 17057759, 18137364, 19432890, 22671705, 27206046, 30228940, 34115518, 38865780, 45343410, 51173277, 54412092, 68015115, 68231036, 85288795, 90686820, 102346554, 119404313, 136030230, 153519831, 170577590, 204693108, 238808626, 255866385, 272060460, 307039662, 341155180, 358212939, 477617252, 511732770, 597021565, 614079324, 716425878, 767599155, 1023465540, 1074638817, 1194043130, 1432851756, 1535198310, 1791064695, 2149277634, 2388086260, 3070396620, 3582129390, 4298555268, 5373194085, 7164258780, 10746388170, 21492776340]

約数ペア:

[(1, 21492776340), (2, 10746388170), (3, 7164258780), (4, 5373194085), (5, 4298555268), (6, 3582129390), (7, 3070396620), (9, 2388086260), (10, 2149277634), (12, 1791064695), (14, 1535198310), (15, 1432851756), (18, 1194043130), (20, 1074638817), (21, 1023465540), (28, 767599155), (30, 716425878), (35, 614079324), (36, 597021565), (42, 511732770), (45, 477617252), (60, 358212939), (63, 341155180), (70, 307039662), (79, 272060460), (84, 255866385), (90, 238808626), (105, 204693108), (126, 170577590), (140, 153519831), (158, 136030230), (180, 119404313), (210, 102346554), (237, 90686820), (252, 85288795), (315, 68231036), (316, 68015115), (395, 54412092), (420, 51173277), (474, 45343410), (553, 38865780), (630, 34115518), (711, 30228940), (790, 27206046), (948, 22671705), (1106, 19432890), (1185, 18137364), (1260, 17057759), (1422, 15114470), (1580, 13603023), (1659, 12955260), (2212, 9716445), (2370, 9068682), (2765, 7773156), (2844, 7557235), (3318, 6477630), (3555, 6045788), (4740, 4534341), (4977, 4318420), (5530, 3886578), (6636, 3238815), (7110, 3022894), (8295, 2591052), (9954, 2159210), (11060, 1943289), (14220, 1511447), (16590, 1295526), (19908, 1079605), (24885, 863684), (33180, 647763), (49770, 431842), (99540, 215921)]