21935800

素因数分解:

$2^3\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1637}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 51793560

約数和(自身を除く): 29857760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 134, 200, 268, 335, 536, 670, 1340, 1637, 1675, 2680, 3274, 3350, 6548, 6700, 8185, 13096, 13400, 16370, 32740, 40925, 65480, 81850, 109679, 163700, 219358, 327400, 438716, 548395, 877432, 1096790, 2193580, 2741975, 4387160, 5483950, 10967900, 21935800]

約数ペア:

[(1, 21935800), (2, 10967900), (4, 5483950), (5, 4387160), (8, 2741975), (10, 2193580), (20, 1096790), (25, 877432), (40, 548395), (50, 438716), (67, 327400), (100, 219358), (134, 163700), (200, 109679), (268, 81850), (335, 65480), (536, 40925), (670, 32740), (1340, 16370), (1637, 13400), (1675, 13096), (2680, 8185), (3274, 6700), (3350, 6548)]