21400578

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10711}}^1$

素因数の和:10759

約数の個数: 32

約数和(自身を含む): 48846720

約数和(自身を除く): 27446142

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10711, 21422, 32133, 64266, 96399, 192798, 289197, 396307, 578394, 792614, 1188921, 2377842, 3566763, 7133526, 10700289, 21400578]

約数ペア:

[(1, 21400578), (2, 10700289), (3, 7133526), (6, 3566763), (9, 2377842), (18, 1188921), (27, 792614), (37, 578394), (54, 396307), (74, 289197), (111, 192798), (222, 96399), (333, 64266), (666, 32133), (999, 21422), (1998, 10711)]