21485409

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34267}}^1$

素因数の和:34300

約数の個数: 16

約数和(自身を含む): 32897280

約数和(自身を除く): 11411871

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34267, 102801, 376937, 651073, 1130811, 1953219, 7161803, 21485409]

約数ペア:

[(1, 21485409), (3, 7161803), (11, 1953219), (19, 1130811), (33, 651073), (57, 376937), (209, 102801), (627, 34267)]