21473950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 42425856

約数和(自身を除く): 20951906

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 71, 115, 142, 230, 263, 355, 526, 575, 710, 1150, 1315, 1633, 1775, 2630, 3266, 3550, 6049, 6575, 8165, 12098, 13150, 16330, 18673, 30245, 37346, 40825, 60490, 81650, 93365, 151225, 186730, 302450, 429479, 466825, 858958, 933650, 2147395, 4294790, 10736975, 21473950]

約数ペア:

[(1, 21473950), (2, 10736975), (5, 4294790), (10, 2147395), (23, 933650), (25, 858958), (46, 466825), (50, 429479), (71, 302450), (115, 186730), (142, 151225), (230, 93365), (263, 81650), (355, 60490), (526, 40825), (575, 37346), (710, 30245), (1150, 18673), (1315, 16330), (1633, 13150), (1775, 12098), (2630, 8165), (3266, 6575), (3550, 6049)]