21913238416

素因数分解:

$2^4\times {\mathrm{2351}}^1\times {\mathrm{582551}}^1$

素因数の和:584910

約数の個数: 20

約数和(自身を含む): 42475031424

約数和(自身を除く): 20561793008

約数列:

[1, 2, 4, 8, 16, 2351, 4702, 9404, 18808, 37616, 582551, 1165102, 2330204, 4660408, 9320816, 1369577401, 2739154802, 5478309604, 10956619208, 21913238416]

約数ペア:

[(1, 21913238416), (2, 10956619208), (4, 5478309604), (8, 2739154802), (16, 1369577401), (2351, 9320816), (4702, 4660408), (9404, 2330204), (18808, 1165102), (37616, 582551)]