21074900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:79

約数の個数: 216

約数和(自身を含む): 64120896

約数和(自身を除く): 43045996

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 23, 25, 28, 34, 35, 44, 46, 49, 50, 55, 68, 70, 77, 85, 92, 98, 100, 110, 115, 119, 140, 154, 161, 170, 175, 187, 196, 220, 230, 238, 245, 253, 275, 308, 322, 340, 350, 374, 385, 391, 425, 460, 476, 490, 506, 539, 550, 575, 595, 644, 700, 748, 770, 782, 805, 833, 850, 935, 980, 1012, 1078, 1100, 1127, 1150, 1190, 1225, 1265, 1309, 1540, 1564, 1610, 1666, 1700, 1771, 1870, 1925, 1955, 2156, 2254, 2300, 2380, 2450, 2530, 2618, 2695, 2737, 2975, 3220, 3332, 3542, 3740, 3850, 3910, 4025, 4165, 4301, 4508, 4675, 4900, 5060, 5236, 5390, 5474, 5635, 5950, 6325, 6545, 7084, 7700, 7820, 8050, 8330, 8602, 8855, 9163, 9350, 9775, 10780, 10948, 11270, 11900, 12397, 12650, 13090, 13475, 13685, 16100, 16660, 17204, 17710, 18326, 18700, 19159, 19550, 20825, 21505, 22540, 24794, 25300, 26180, 26950, 27370, 28175, 30107, 32725, 35420, 36652, 38318, 39100, 41650, 43010, 44275, 45815, 49588, 53900, 54740, 56350, 60214, 61985, 65450, 68425, 76636, 83300, 86020, 88550, 91630, 95795, 107525, 112700, 120428, 123970, 130900, 136850, 150535, 177100, 183260, 191590, 210749, 215050, 229075, 247940, 273700, 301070, 309925, 383180, 421498, 430100, 458150, 478975, 602140, 619850, 752675, 842996, 916300, 957950, 1053745, 1239700, 1505350, 1915900, 2107490, 3010700, 4214980, 5268725, 10537450, 21074900]

約数ペア:

[(1, 21074900), (2, 10537450), (4, 5268725), (5, 4214980), (7, 3010700), (10, 2107490), (11, 1915900), (14, 1505350), (17, 1239700), (20, 1053745), (22, 957950), (23, 916300), (25, 842996), (28, 752675), (34, 619850), (35, 602140), (44, 478975), (46, 458150), (49, 430100), (50, 421498), (55, 383180), (68, 309925), (70, 301070), (77, 273700), (85, 247940), (92, 229075), (98, 215050), (100, 210749), (110, 191590), (115, 183260), (119, 177100), (140, 150535), (154, 136850), (161, 130900), (170, 123970), (175, 120428), (187, 112700), (196, 107525), (220, 95795), (230, 91630), (238, 88550), (245, 86020), (253, 83300), (275, 76636), (308, 68425), (322, 65450), (340, 61985), (350, 60214), (374, 56350), (385, 54740), (391, 53900), (425, 49588), (460, 45815), (476, 44275), (490, 43010), (506, 41650), (539, 39100), (550, 38318), (575, 36652), (595, 35420), (644, 32725), (700, 30107), (748, 28175), (770, 27370), (782, 26950), (805, 26180), (833, 25300), (850, 24794), (935, 22540), (980, 21505), (1012, 20825), (1078, 19550), (1100, 19159), (1127, 18700), (1150, 18326), (1190, 17710), (1225, 17204), (1265, 16660), (1309, 16100), (1540, 13685), (1564, 13475), (1610, 13090), (1666, 12650), (1700, 12397), (1771, 11900), (1870, 11270), (1925, 10948), (1955, 10780), (2156, 9775), (2254, 9350), (2300, 9163), (2380, 8855), (2450, 8602), (2530, 8330), (2618, 8050), (2695, 7820), (2737, 7700), (2975, 7084), (3220, 6545), (3332, 6325), (3542, 5950), (3740, 5635), (3850, 5474), (3910, 5390), (4025, 5236), (4165, 5060), (4301, 4900), (4508, 4675)]