21301358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 14986642

約数列:

[1, 2, 13, 23, 26, 46, 179, 199, 299, 358, 398, 598, 2327, 2587, 4117, 4577, 4654, 5174, 8234, 9154, 35621, 53521, 59501, 71242, 107042, 119002, 463073, 819283, 926146, 1638566, 10650679, 21301358]

約数ペア:

[(1, 21301358), (2, 10650679), (13, 1638566), (23, 926146), (26, 819283), (46, 463073), (179, 119002), (199, 107042), (299, 71242), (358, 59501), (398, 53521), (598, 35621), (2327, 9154), (2587, 8234), (4117, 5174), (4577, 4654)]