21471538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{1481}}^1$

素因数の和:2153

約数の個数: 16

約数和(自身を含む): 35212320

約数和(自身を除く): 13740782

約数列:

[1, 2, 11, 22, 659, 1318, 1481, 2962, 7249, 14498, 16291, 32582, 975979, 1951958, 10735769, 21471538]

約数ペア:

[(1, 21471538), (2, 10735769), (11, 1951958), (22, 975979), (659, 32582), (1318, 16291), (1481, 14498), (2962, 7249)]