21356613

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1867}}^1$

素因数の和:1945

約数の個数: 24

約数和(自身を含む): 32637696

約数和(自身を除く): 11281083

約数列:

[1, 3, 9, 31, 41, 93, 123, 279, 369, 1271, 1867, 3813, 5601, 11439, 16803, 57877, 76547, 173631, 229641, 520893, 688923, 2372957, 7118871, 21356613]

約数ペア:

[(1, 21356613), (3, 7118871), (9, 2372957), (31, 688923), (41, 520893), (93, 229641), (123, 173631), (279, 76547), (369, 57877), (1271, 16803), (1867, 11439), (3813, 5601)]