21348730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1693}}^1$

素因数の和:1810

約数の個数: 32

約数和(自身を含む): 41835024

約数和(自身を除く): 20486294

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 1693, 2522, 3386, 6305, 8465, 12610, 16930, 22009, 44018, 110045, 164221, 220090, 328442, 821105, 1642210, 2134873, 4269746, 10674365, 21348730]

約数ペア:

[(1, 21348730), (2, 10674365), (5, 4269746), (10, 2134873), (13, 1642210), (26, 821105), (65, 328442), (97, 220090), (130, 164221), (194, 110045), (485, 44018), (970, 22009), (1261, 16930), (1693, 12610), (2522, 8465), (3386, 6305)]