21704700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 63745920

約数和(自身を除く): 42041220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 71, 75, 100, 142, 150, 213, 284, 300, 355, 426, 710, 852, 1019, 1065, 1420, 1775, 2038, 2130, 3057, 3550, 4076, 4260, 5095, 5325, 6114, 7100, 10190, 10650, 12228, 15285, 20380, 21300, 25475, 30570, 50950, 61140, 72349, 76425, 101900, 144698, 152850, 217047, 289396, 305700, 361745, 434094, 723490, 868188, 1085235, 1446980, 1808725, 2170470, 3617450, 4340940, 5426175, 7234900, 10852350, 21704700]

約数ペア:

[(1, 21704700), (2, 10852350), (3, 7234900), (4, 5426175), (5, 4340940), (6, 3617450), (10, 2170470), (12, 1808725), (15, 1446980), (20, 1085235), (25, 868188), (30, 723490), (50, 434094), (60, 361745), (71, 305700), (75, 289396), (100, 217047), (142, 152850), (150, 144698), (213, 101900), (284, 76425), (300, 72349), (355, 61140), (426, 50950), (710, 30570), (852, 25475), (1019, 21300), (1065, 20380), (1420, 15285), (1775, 12228), (2038, 10650), (2130, 10190), (3057, 7100), (3550, 6114), (4076, 5325), (4260, 5095)]