21803292

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2791}}^1$

素因数の和:2839

約数の個数: 72

約数和(自身を含む): 65042432

約数和(自身を除く): 43239140

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 2791, 3906, 5582, 7812, 8373, 11164, 16746, 19537, 25119, 33492, 39074, 50238, 58611, 78148, 86521, 100476, 117222, 173042, 175833, 234444, 259563, 346084, 351666, 519126, 605647, 703332, 778689, 1038252, 1211294, 1557378, 1816941, 2422588, 3114756, 3633882, 5450823, 7267764, 10901646, 21803292]

約数ペア:

[(1, 21803292), (2, 10901646), (3, 7267764), (4, 5450823), (6, 3633882), (7, 3114756), (9, 2422588), (12, 1816941), (14, 1557378), (18, 1211294), (21, 1038252), (28, 778689), (31, 703332), (36, 605647), (42, 519126), (62, 351666), (63, 346084), (84, 259563), (93, 234444), (124, 175833), (126, 173042), (186, 117222), (217, 100476), (252, 86521), (279, 78148), (372, 58611), (434, 50238), (558, 39074), (651, 33492), (868, 25119), (1116, 19537), (1302, 16746), (1953, 11164), (2604, 8373), (2791, 7812), (3906, 5582)]