21236100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1085

約数の個数: 72

約数和(自身を含む): 62371008

約数和(自身を除く): 41134908

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, 997, 1065, 1420, 1775, 1994, 2130, 2991, 3550, 3988, 4260, 4985, 5325, 5982, 7100, 9970, 10650, 11964, 14955, 19940, 21300, 24925, 29910, 49850, 59820, 70787, 74775, 99700, 141574, 149550, 212361, 283148, 299100, 353935, 424722, 707870, 849444, 1061805, 1415740, 1769675, 2123610, 3539350, 4247220, 5309025, 7078700, 10618050, 21236100]

約数ペア:

[(1, 21236100), (2, 10618050), (3, 7078700), (4, 5309025), (5, 4247220), (6, 3539350), (10, 2123610), (12, 1769675), (15, 1415740), (20, 1061805), (25, 849444), (30, 707870), (50, 424722), (60, 353935), (71, 299100), (75, 283148), (100, 212361), (142, 149550), (150, 141574), (213, 99700), (284, 74775), (300, 70787), (355, 59820), (426, 49850), (710, 29910), (852, 24925), (997, 21300), (1065, 19940), (1420, 14955), (1775, 11964), (1994, 10650), (2130, 9970), (2991, 7100), (3550, 5982), (3988, 5325), (4260, 4985)]