21419480

素因数分解:

$2^3\times 5^1\times {\mathrm{535487}}^1$

素因数の和:535498

約数の個数: 16

約数和(自身を含む): 48193920

約数和(自身を除く): 26774440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 535487, 1070974, 2141948, 2677435, 4283896, 5354870, 10709740, 21419480]

約数ペア:

[(1, 21419480), (2, 10709740), (4, 5354870), (5, 4283896), (8, 2677435), (10, 2141948), (20, 1070974), (40, 535487)]