21362280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2657}}^1$

素因数の和:2738

約数の個数: 64

約数和(自身を含む): 65067840

約数和(自身を除く): 43705560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2657, 2680, 4020, 5314, 7971, 8040, 10628, 13285, 15942, 21256, 26570, 31884, 39855, 53140, 63768, 79710, 106280, 159420, 178019, 318840, 356038, 534057, 712076, 890095, 1068114, 1424152, 1780190, 2136228, 2670285, 3560380, 4272456, 5340570, 7120760, 10681140, 21362280]

約数ペア:

[(1, 21362280), (2, 10681140), (3, 7120760), (4, 5340570), (5, 4272456), (6, 3560380), (8, 2670285), (10, 2136228), (12, 1780190), (15, 1424152), (20, 1068114), (24, 890095), (30, 712076), (40, 534057), (60, 356038), (67, 318840), (120, 178019), (134, 159420), (201, 106280), (268, 79710), (335, 63768), (402, 53140), (536, 39855), (670, 31884), (804, 26570), (1005, 21256), (1340, 15942), (1608, 13285), (2010, 10628), (2657, 8040), (2680, 7971), (4020, 5314)]