21553047

素因数分解:

$3^4\times {\mathrm{23}}^2\times {\mathrm{503}}^1$

素因数の和:561

約数の個数: 30

約数和(自身を含む): 33724152

約数和(自身を除く): 12171105

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 503, 529, 621, 1509, 1587, 1863, 4527, 4761, 11569, 13581, 14283, 34707, 40743, 42849, 104121, 266087, 312363, 798261, 937089, 2394783, 7184349, 21553047]

約数ペア:

[(1, 21553047), (3, 7184349), (9, 2394783), (23, 937089), (27, 798261), (69, 312363), (81, 266087), (207, 104121), (503, 42849), (529, 40743), (621, 34707), (1509, 14283), (1587, 13581), (1863, 11569), (4527, 4761)]