21302226

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{397}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 50663808

約数和(自身を除く): 29361582

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 271, 397, 542, 794, 813, 1191, 1626, 2382, 2439, 2981, 3573, 4367, 4878, 5962, 7146, 8734, 8943, 13101, 17886, 26202, 26829, 39303, 53658, 78606, 107587, 215174, 322761, 645522, 968283, 1183457, 1936566, 2366914, 3550371, 7100742, 10651113, 21302226]

約数ペア:

[(1, 21302226), (2, 10651113), (3, 7100742), (6, 3550371), (9, 2366914), (11, 1936566), (18, 1183457), (22, 968283), (33, 645522), (66, 322761), (99, 215174), (198, 107587), (271, 78606), (397, 53658), (542, 39303), (794, 26829), (813, 26202), (1191, 17886), (1626, 13101), (2382, 8943), (2439, 8734), (2981, 7146), (3573, 5962), (4367, 4878)]