21368280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178069}}^1$

素因数の和:178083

約数の個数: 32

約数和(自身を含む): 64105200

約数和(自身を除く): 42736920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178069, 356138, 534207, 712276, 890345, 1068414, 1424552, 1780690, 2136828, 2671035, 3561380, 4273656, 5342070, 7122760, 10684140, 21368280]

約数ペア:

[(1, 21368280), (2, 10684140), (3, 7122760), (4, 5342070), (5, 4273656), (6, 3561380), (8, 2671035), (10, 2136828), (12, 1780690), (15, 1424552), (20, 1068414), (24, 890345), (30, 712276), (40, 534207), (60, 356138), (120, 178069)]