21978750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5861}}^1$

素因数の和:5886

約数の個数: 40

約数和(自身を含む): 54938664

約数和(自身を除く): 32959914

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5861, 11722, 17583, 29305, 35166, 58610, 87915, 146525, 175830, 293050, 439575, 732625, 879150, 1465250, 2197875, 3663125, 4395750, 7326250, 10989375, 21978750]

約数ペア:

[(1, 21978750), (2, 10989375), (3, 7326250), (5, 4395750), (6, 3663125), (10, 2197875), (15, 1465250), (25, 879150), (30, 732625), (50, 439575), (75, 293050), (125, 175830), (150, 146525), (250, 87915), (375, 58610), (625, 35166), (750, 29305), (1250, 17583), (1875, 11722), (3750, 5861)]