21929580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5297}}^1$

素因数の和:5335

約数の個数: 72

約数和(自身を含む): 69424992

約数和(自身を除く): 47495412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 5297, 10594, 15891, 21188, 26485, 31782, 47673, 52970, 63564, 79455, 95346, 105940, 121831, 158910, 190692, 238365, 243662, 317820, 365493, 476730, 487324, 609155, 730986, 953460, 1096479, 1218310, 1461972, 1827465, 2192958, 2436620, 3654930, 4385916, 5482395, 7309860, 10964790, 21929580]

約数ペア:

[(1, 21929580), (2, 10964790), (3, 7309860), (4, 5482395), (5, 4385916), (6, 3654930), (9, 2436620), (10, 2192958), (12, 1827465), (15, 1461972), (18, 1218310), (20, 1096479), (23, 953460), (30, 730986), (36, 609155), (45, 487324), (46, 476730), (60, 365493), (69, 317820), (90, 243662), (92, 238365), (115, 190692), (138, 158910), (180, 121831), (207, 105940), (230, 95346), (276, 79455), (345, 63564), (414, 52970), (460, 47673), (690, 31782), (828, 26485), (1035, 21188), (1380, 15891), (2070, 10594), (4140, 5297)]