21700250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 47803392

約数和(自身を除く): 26103142

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 125, 130, 143, 250, 275, 286, 325, 550, 607, 650, 715, 1214, 1375, 1430, 1625, 2750, 3035, 3250, 3575, 6070, 6677, 7150, 7891, 13354, 15175, 15782, 17875, 30350, 33385, 35750, 39455, 66770, 75875, 78910, 86801, 151750, 166925, 173602, 197275, 333850, 394550, 434005, 834625, 868010, 986375, 1669250, 1972750, 2170025, 4340050, 10850125, 21700250]

約数ペア:

[(1, 21700250), (2, 10850125), (5, 4340050), (10, 2170025), (11, 1972750), (13, 1669250), (22, 986375), (25, 868010), (26, 834625), (50, 434005), (55, 394550), (65, 333850), (110, 197275), (125, 173602), (130, 166925), (143, 151750), (250, 86801), (275, 78910), (286, 75875), (325, 66770), (550, 39455), (607, 35750), (650, 33385), (715, 30350), (1214, 17875), (1375, 15782), (1430, 15175), (1625, 13354), (2750, 7891), (3035, 7150), (3250, 6677), (3575, 6070)]