21803478

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{117223}}^1$

素因数の和:117259

約数の個数: 16

約数和(自身を含む): 45014016

約数和(自身を除く): 23210538

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 117223, 234446, 351669, 703338, 3633913, 7267826, 10901739, 21803478]

約数ペア:

[(1, 21803478), (2, 10901739), (3, 7267826), (6, 3633913), (31, 703338), (62, 351669), (93, 234446), (186, 117223)]