21171132

素因数分解:

$2^2\times 3^5\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 57972096

約数和(自身を除く): 36800964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 243, 276, 324, 414, 486, 621, 828, 947, 972, 1242, 1863, 1894, 2484, 2841, 3726, 3788, 5589, 5682, 7452, 8523, 11178, 11364, 17046, 21781, 22356, 25569, 34092, 43562, 51138, 65343, 76707, 87124, 102276, 130686, 153414, 196029, 230121, 261372, 306828, 392058, 460242, 588087, 784116, 920484, 1176174, 1764261, 2352348, 3528522, 5292783, 7057044, 10585566, 21171132]

約数ペア:

[(1, 21171132), (2, 10585566), (3, 7057044), (4, 5292783), (6, 3528522), (9, 2352348), (12, 1764261), (18, 1176174), (23, 920484), (27, 784116), (36, 588087), (46, 460242), (54, 392058), (69, 306828), (81, 261372), (92, 230121), (108, 196029), (138, 153414), (162, 130686), (207, 102276), (243, 87124), (276, 76707), (324, 65343), (414, 51138), (486, 43562), (621, 34092), (828, 25569), (947, 22356), (972, 21781), (1242, 17046), (1863, 11364), (1894, 11178), (2484, 8523), (2841, 7452), (3726, 5682), (3788, 5589)]