21902018

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 36514800

約数和(自身を除く): 14612782

約数列:

[1, 2, 17, 29, 34, 58, 97, 194, 229, 458, 493, 986, 1649, 2813, 3298, 3893, 5626, 6641, 7786, 13282, 22213, 44426, 47821, 95642, 112897, 225794, 377621, 644177, 755242, 1288354, 10951009, 21902018]

約数ペア:

[(1, 21902018), (2, 10951009), (17, 1288354), (29, 755242), (34, 644177), (58, 377621), (97, 225794), (194, 112897), (229, 95642), (458, 47821), (493, 44426), (986, 22213), (1649, 13282), (2813, 7786), (3298, 6641), (3893, 5626)]