21354642

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{17707}}^1$

素因数の和:17782

約数の個数: 24

約数和(自身を含む): 46961616

約数和(自身を除く): 25606974

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 17707, 35414, 53121, 106242, 159363, 318726, 1186369, 2372738, 3559107, 7118214, 10677321, 21354642]

約数ペア:

[(1, 21354642), (2, 10677321), (3, 7118214), (6, 3559107), (9, 2372738), (18, 1186369), (67, 318726), (134, 159363), (201, 106242), (402, 53121), (603, 35414), (1206, 17707)]