21552050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:563

約数の個数: 48

約数和(自身を含む): 43872192

約数和(自身を除く): 22320142

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 325, 355, 467, 650, 710, 923, 934, 1775, 1846, 2335, 3550, 4615, 4670, 6071, 9230, 11675, 12142, 23075, 23350, 30355, 33157, 46150, 60710, 66314, 151775, 165785, 303550, 331570, 431041, 828925, 862082, 1657850, 2155205, 4310410, 10776025, 21552050]

約数ペア:

[(1, 21552050), (2, 10776025), (5, 4310410), (10, 2155205), (13, 1657850), (25, 862082), (26, 828925), (50, 431041), (65, 331570), (71, 303550), (130, 165785), (142, 151775), (325, 66314), (355, 60710), (467, 46150), (650, 33157), (710, 30355), (923, 23350), (934, 23075), (1775, 12142), (1846, 11675), (2335, 9230), (3550, 6071), (4615, 4670)]