21810250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 51787008

約数和(自身を除く): 29976758

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 103, 110, 121, 125, 154, 175, 206, 242, 250, 275, 350, 385, 515, 550, 605, 721, 770, 847, 875, 1030, 1133, 1210, 1375, 1442, 1694, 1750, 1925, 2266, 2575, 2750, 3025, 3605, 3850, 4235, 5150, 5665, 6050, 7210, 7931, 8470, 9625, 11330, 12463, 12875, 15125, 15862, 18025, 19250, 21175, 24926, 25750, 28325, 30250, 36050, 39655, 42350, 56650, 62315, 79310, 87241, 90125, 105875, 124630, 141625, 174482, 180250, 198275, 211750, 283250, 311575, 396550, 436205, 623150, 872410, 991375, 1557875, 1982750, 2181025, 3115750, 4362050, 10905125, 21810250]

約数ペア:

[(1, 21810250), (2, 10905125), (5, 4362050), (7, 3115750), (10, 2181025), (11, 1982750), (14, 1557875), (22, 991375), (25, 872410), (35, 623150), (50, 436205), (55, 396550), (70, 311575), (77, 283250), (103, 211750), (110, 198275), (121, 180250), (125, 174482), (154, 141625), (175, 124630), (206, 105875), (242, 90125), (250, 87241), (275, 79310), (350, 62315), (385, 56650), (515, 42350), (550, 39655), (605, 36050), (721, 30250), (770, 28325), (847, 25750), (875, 24926), (1030, 21175), (1133, 19250), (1210, 18025), (1375, 15862), (1442, 15125), (1694, 12875), (1750, 12463), (1925, 11330), (2266, 9625), (2575, 8470), (2750, 7931), (3025, 7210), (3605, 6050), (3850, 5665), (4235, 5150)]