21106424

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 40748400

約数和(自身を除く): 19641976

約数列:

[1, 2, 4, 8, 59, 97, 118, 194, 236, 388, 461, 472, 776, 922, 1844, 3688, 5723, 11446, 22892, 27199, 44717, 45784, 54398, 89434, 108796, 178868, 217592, 357736, 2638303, 5276606, 10553212, 21106424]

約数ペア:

[(1, 21106424), (2, 10553212), (4, 5276606), (8, 2638303), (59, 357736), (97, 217592), (118, 178868), (194, 108796), (236, 89434), (388, 54398), (461, 45784), (472, 44717), (776, 27199), (922, 22892), (1844, 11446), (3688, 5723)]