21345960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177883}}^1$

素因数の和:177897

約数の個数: 32

約数和(自身を含む): 64038240

約数和(自身を除く): 42692280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177883, 355766, 533649, 711532, 889415, 1067298, 1423064, 1778830, 2134596, 2668245, 3557660, 4269192, 5336490, 7115320, 10672980, 21345960]

約数ペア:

[(1, 21345960), (2, 10672980), (3, 7115320), (4, 5336490), (5, 4269192), (6, 3557660), (8, 2668245), (10, 2134596), (12, 1778830), (15, 1423064), (20, 1067298), (24, 889415), (30, 711532), (40, 533649), (60, 355766), (120, 177883)]