21553104753

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{20261}}^1$

素因数の和:20867

約数の個数: 40

約数和(自身を含む): 33656965056

約数和(自身を除く): 12103860303

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 571, 621, 1713, 1863, 5139, 13133, 15417, 20261, 39399, 46251, 60783, 118197, 182349, 354591, 466003, 547047, 1063773, 1398009, 1641141, 4194027, 11569031, 12582081, 34707093, 37746243, 104121279, 266087713, 312363837, 798263139, 937091511, 2394789417, 7184368251, 21553104753]

約数ペア:

[(1, 21553104753), (3, 7184368251), (9, 2394789417), (23, 937091511), (27, 798263139), (69, 312363837), (81, 266087713), (207, 104121279), (571, 37746243), (621, 34707093), (1713, 12582081), (1863, 11569031), (5139, 4194027), (13133, 1641141), (15417, 1398009), (20261, 1063773), (39399, 547047), (46251, 466003), (60783, 354591), (118197, 182349)]