21681902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{57973}}^1$

素因数の和:58003

約数の個数: 16

約数和(自身を含む): 37567152

約数和(自身を除く): 15885250

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 57973, 115946, 637703, 985541, 1275406, 1971082, 10840951, 21681902]

約数ペア:

[(1, 21681902), (2, 10840951), (11, 1971082), (17, 1275406), (22, 985541), (34, 637703), (187, 115946), (374, 57973)]