21000605775

素因数分解:

$3^1\times 5^2\times {\mathrm{593}}^1\times {\mathrm{472189}}^1$

素因数の和:472795

約数の個数: 24

約数和(自身を含む): 34779626640

約数和(自身を除く): 13779020865

約数列:

[1, 3, 5, 15, 25, 75, 593, 1779, 2965, 8895, 14825, 44475, 472189, 1416567, 2360945, 7082835, 11804725, 35414175, 280008077, 840024231, 1400040385, 4200121155, 7000201925, 21000605775]

約数ペア:

[(1, 21000605775), (3, 7000201925), (5, 4200121155), (15, 1400040385), (25, 840024231), (75, 280008077), (593, 35414175), (1779, 11804725), (2965, 7082835), (8895, 2360945), (14825, 1416567), (44475, 472189)]