21238038

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{4229}}^1$

素因数の和:4274

約数の個数: 40

約数和(自身を含む): 49135680

約数和(自身を除く): 27897642

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 2511, 4229, 5022, 8458, 12687, 25374, 38061, 76122, 114183, 131099, 228366, 262198, 342549, 393297, 685098, 786594, 1179891, 2359782, 3539673, 7079346, 10619019, 21238038]

約数ペア:

[(1, 21238038), (2, 10619019), (3, 7079346), (6, 3539673), (9, 2359782), (18, 1179891), (27, 786594), (31, 685098), (54, 393297), (62, 342549), (81, 262198), (93, 228366), (162, 131099), (186, 114183), (279, 76122), (558, 38061), (837, 25374), (1674, 12687), (2511, 8458), (4229, 5022)]