21028106

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2803}}^1$

素因数の和:2858

約数の個数: 24

約数和(自身を含む): 35801472

約数和(自身を除く): 14773366

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 2803, 3751, 5606, 7502, 30833, 61666, 86893, 173786, 339163, 678326, 955823, 1911646, 10514053, 21028106]

約数ペア:

[(1, 21028106), (2, 10514053), (11, 1911646), (22, 955823), (31, 678326), (62, 339163), (121, 173786), (242, 86893), (341, 61666), (682, 30833), (2803, 7502), (3751, 5606)]