21367600

素因数分解:

$2^4\times 5^2\times {\mathrm{53419}}^1$

素因数の和:53437

約数の個数: 30

約数和(自身を含む): 51336620

約数和(自身を除く): 29969020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 53419, 106838, 213676, 267095, 427352, 534190, 854704, 1068380, 1335475, 2136760, 2670950, 4273520, 5341900, 10683800, 21367600]

約数ペア:

[(1, 21367600), (2, 10683800), (4, 5341900), (5, 4273520), (8, 2670950), (10, 2136760), (16, 1335475), (20, 1068380), (25, 854704), (40, 534190), (50, 427352), (80, 267095), (100, 213676), (200, 106838), (400, 53419)]