21913299

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{743}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 33078240

約数和(自身を除く): 11164941

約数列:

[1, 3, 9, 29, 87, 113, 261, 339, 743, 1017, 2229, 3277, 6687, 9831, 21547, 29493, 64641, 83959, 193923, 251877, 755631, 2434811, 7304433, 21913299]

約数ペア:

[(1, 21913299), (3, 7304433), (9, 2434811), (29, 755631), (87, 251877), (113, 193923), (261, 83959), (339, 64641), (743, 29493), (1017, 21547), (2229, 9831), (3277, 6687)]