21406852

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1487}}^1$

素因数の和:1611

約数の個数: 24

約数和(自身を含む): 38747520

約数和(自身を除く): 17340668

約数列:

[1, 2, 4, 59, 61, 118, 122, 236, 244, 1487, 2974, 3599, 5948, 7198, 14396, 87733, 90707, 175466, 181414, 350932, 362828, 5351713, 10703426, 21406852]

約数ペア:

[(1, 21406852), (2, 10703426), (4, 5351713), (59, 362828), (61, 350932), (118, 181414), (122, 175466), (236, 90707), (244, 87733), (1487, 14396), (2974, 7198), (3599, 5948)]