21587550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2027}}^1$

素因数の和:2113

約数の個数: 48

約数和(自身を含む): 54317952

約数和(自身を除く): 32730402

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 142, 150, 213, 355, 426, 710, 1065, 1775, 2027, 2130, 3550, 4054, 5325, 6081, 10135, 10650, 12162, 20270, 30405, 50675, 60810, 101350, 143917, 152025, 287834, 304050, 431751, 719585, 863502, 1439170, 2158755, 3597925, 4317510, 7195850, 10793775, 21587550]

約数ペア:

[(1, 21587550), (2, 10793775), (3, 7195850), (5, 4317510), (6, 3597925), (10, 2158755), (15, 1439170), (25, 863502), (30, 719585), (50, 431751), (71, 304050), (75, 287834), (142, 152025), (150, 143917), (213, 101350), (355, 60810), (426, 50675), (710, 30405), (1065, 20270), (1775, 12162), (2027, 10650), (2130, 10135), (3550, 6081), (4054, 5325)]