21697548

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{26987}}^1$

素因数の和:27061

約数の個数: 24

約数和(自身を含む): 51385152

約数和(自身を除く): 29687604

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 26987, 53974, 80961, 107948, 161922, 323844, 1808129, 3616258, 5424387, 7232516, 10848774, 21697548]

約数ペア:

[(1, 21697548), (2, 10848774), (3, 7232516), (4, 5424387), (6, 3616258), (12, 1808129), (67, 323844), (134, 161922), (201, 107948), (268, 80961), (402, 53974), (804, 26987)]