21707070875

素因数分解:

$5^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{2099}}^1$

素因数の和:2397

約数の個数: 64

約数和(自身を含む): 31701196800

約数和(自身を除く): 9994125925

約数列:

[1, 5, 7, 25, 35, 53, 125, 175, 223, 265, 371, 875, 1115, 1325, 1561, 1855, 2099, 5575, 6625, 7805, 9275, 10495, 11819, 14693, 27875, 39025, 46375, 52475, 59095, 73465, 82733, 111247, 195125, 262375, 295475, 367325, 413665, 468077, 556235, 778729, 1477375, 1836625, 2068325, 2340385, 2781175, 3276539, 3893645, 10341625, 11701925, 13905875, 16382695, 19468225, 24808081, 58509625, 81913475, 97341125, 124040405, 173656567, 409567375, 620202025, 868282835, 3101010125, 4341414175, 21707070875]

約数ペア:

[(1, 21707070875), (5, 4341414175), (7, 3101010125), (25, 868282835), (35, 620202025), (53, 409567375), (125, 173656567), (175, 124040405), (223, 97341125), (265, 81913475), (371, 58509625), (875, 24808081), (1115, 19468225), (1325, 16382695), (1561, 13905875), (1855, 11701925), (2099, 10341625), (5575, 3893645), (6625, 3276539), (7805, 2781175), (9275, 2340385), (10495, 2068325), (11819, 1836625), (14693, 1477375), (27875, 778729), (39025, 556235), (46375, 468077), (52475, 413665), (59095, 367325), (73465, 295475), (82733, 262375), (111247, 195125)]