21190055045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4745813}}^1$

素因数の和:4745884

約数の個数: 16

約数和(自身を含む): 27335888640

約数和(自身を除く): 6145833595

約数列:

[1, 5, 19, 47, 95, 235, 893, 4465, 4745813, 23729065, 90170447, 223053211, 450852235, 1115266055, 4238011009, 21190055045]

約数ペア:

[(1, 21190055045), (5, 4238011009), (19, 1115266055), (47, 450852235), (95, 223053211), (235, 90170447), (893, 23729065), (4465, 4745813)]