21864450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2053}}^1$

素因数の和:2139

約数の個数: 48

約数和(自身を含む): 55014336

約数和(自身を除く): 33149886

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 142, 150, 213, 355, 426, 710, 1065, 1775, 2053, 2130, 3550, 4106, 5325, 6159, 10265, 10650, 12318, 20530, 30795, 51325, 61590, 102650, 145763, 153975, 291526, 307950, 437289, 728815, 874578, 1457630, 2186445, 3644075, 4372890, 7288150, 10932225, 21864450]

約数ペア:

[(1, 21864450), (2, 10932225), (3, 7288150), (5, 4372890), (6, 3644075), (10, 2186445), (15, 1457630), (25, 874578), (30, 728815), (50, 437289), (71, 307950), (75, 291526), (142, 153975), (150, 145763), (213, 102650), (355, 61590), (426, 51325), (710, 30795), (1065, 20530), (1775, 12318), (2053, 10650), (2130, 10265), (3550, 6159), (4106, 5325)]