21000960828

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{2184869}}^1$

素因数の和:2184971

約数の個数: 48

約数和(自身を含む): 55058724000

約数和(自身を除く): 34057763172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 178, 267, 356, 534, 801, 1068, 1602, 2403, 3204, 4806, 9612, 2184869, 4369738, 6554607, 8739476, 13109214, 19663821, 26218428, 39327642, 58991463, 78655284, 117982926, 194453341, 235965852, 388906682, 583360023, 777813364, 1166720046, 1750080069, 2333440092, 3500160138, 5250240207, 7000320276, 10500480414, 21000960828]

約数ペア:

[(1, 21000960828), (2, 10500480414), (3, 7000320276), (4, 5250240207), (6, 3500160138), (9, 2333440092), (12, 1750080069), (18, 1166720046), (27, 777813364), (36, 583360023), (54, 388906682), (89, 235965852), (108, 194453341), (178, 117982926), (267, 78655284), (356, 58991463), (534, 39327642), (801, 26218428), (1068, 19663821), (1602, 13109214), (2403, 8739476), (3204, 6554607), (4806, 4369738), (9612, 2184869)]