21014931

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1699}}^1$

素因数の和:1759

約数の個数: 32

約数和(自身を含む): 34816000

約数和(自身を除く): 13801069

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1699, 1767, 4123, 5097, 11893, 12369, 32281, 35679, 52669, 96843, 158007, 225967, 368683, 677901, 1000711, 1106049, 3002133, 7004977, 21014931]

約数ペア:

[(1, 21014931), (3, 7004977), (7, 3002133), (19, 1106049), (21, 1000711), (31, 677901), (57, 368683), (93, 225967), (133, 158007), (217, 96843), (399, 52669), (589, 35679), (651, 32281), (1699, 12369), (1767, 11893), (4123, 5097)]