21522544

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1181}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 44849808

約数和(自身を除く): 23327264

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 536, 1072, 1139, 1181, 2278, 2362, 4556, 4724, 9112, 9448, 18224, 18896, 20077, 40154, 79127, 80308, 158254, 160616, 316508, 321232, 633016, 1266032, 1345159, 2690318, 5380636, 10761272, 21522544]

約数ペア:

[(1, 21522544), (2, 10761272), (4, 5380636), (8, 2690318), (16, 1345159), (17, 1266032), (34, 633016), (67, 321232), (68, 316508), (134, 160616), (136, 158254), (268, 80308), (272, 79127), (536, 40154), (1072, 20077), (1139, 18896), (1181, 18224), (2278, 9448), (2362, 9112), (4556, 4724)]