21127360

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:761

約数の個数: 56

約数和(自身を含む): 50877216

約数和(自身を除く): 29749856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 641, 824, 1030, 1282, 1648, 2060, 2564, 3205, 3296, 4120, 5128, 6410, 6592, 8240, 10256, 12820, 16480, 20512, 25640, 32960, 41024, 51280, 66023, 102560, 132046, 205120, 264092, 330115, 528184, 660230, 1056368, 1320460, 2112736, 2640920, 4225472, 5281840, 10563680, 21127360]

約数ペア:

[(1, 21127360), (2, 10563680), (4, 5281840), (5, 4225472), (8, 2640920), (10, 2112736), (16, 1320460), (20, 1056368), (32, 660230), (40, 528184), (64, 330115), (80, 264092), (103, 205120), (160, 132046), (206, 102560), (320, 66023), (412, 51280), (515, 41024), (641, 32960), (824, 25640), (1030, 20512), (1282, 16480), (1648, 12820), (2060, 10256), (2564, 8240), (3205, 6592), (3296, 6410), (4120, 5128)]