21368040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178067}}^1$

素因数の和:178081

約数の個数: 32

約数和(自身を含む): 64104480

約数和(自身を除く): 42736440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178067, 356134, 534201, 712268, 890335, 1068402, 1424536, 1780670, 2136804, 2671005, 3561340, 4273608, 5342010, 7122680, 10684020, 21368040]

約数ペア:

[(1, 21368040), (2, 10684020), (3, 7122680), (4, 5342010), (5, 4273608), (6, 3561340), (8, 2671005), (10, 2136804), (12, 1780670), (15, 1424536), (20, 1068402), (24, 890335), (30, 712268), (40, 534201), (60, 356134), (120, 178067)]