21725826

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^2\times {\mathrm{211}}^1$

素因数の和:478

約数の個数: 24

約数和(自身を含む): 43993392

約数和(自身を除く): 22267566

約数列:

[1, 2, 3, 6, 131, 211, 262, 393, 422, 633, 786, 1266, 17161, 27641, 34322, 51483, 55282, 82923, 102966, 165846, 3620971, 7241942, 10862913, 21725826]

約数ペア:

[(1, 21725826), (2, 10862913), (3, 7241942), (6, 3620971), (131, 165846), (211, 102966), (262, 82923), (393, 55282), (422, 51483), (633, 34322), (786, 27641), (1266, 17161)]