21153618

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{8971}}^1$

素因数の和:9110

約数の個数: 24

約数和(自身を含む): 46187856

約数和(自身を除く): 25034238

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 8971, 17942, 26913, 53826, 80739, 161478, 1175201, 2350402, 3525603, 7051206, 10576809, 21153618]

約数ペア:

[(1, 21153618), (2, 10576809), (3, 7051206), (6, 3525603), (9, 2350402), (18, 1175201), (131, 161478), (262, 80739), (393, 53826), (786, 26913), (1179, 17942), (2358, 8971)]