21136882

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 37908360

約数和(自身を除く): 16771478

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 97, 194, 221, 289, 377, 442, 493, 578, 754, 986, 1261, 1649, 2522, 2813, 3298, 3757, 5626, 6409, 7514, 8381, 12818, 16762, 21437, 28033, 36569, 42874, 47821, 56066, 73138, 95642, 108953, 217906, 364429, 621673, 728858, 812957, 1243346, 1625914, 10568441, 21136882]

約数ペア:

[(1, 21136882), (2, 10568441), (13, 1625914), (17, 1243346), (26, 812957), (29, 728858), (34, 621673), (58, 364429), (97, 217906), (194, 108953), (221, 95642), (289, 73138), (377, 56066), (442, 47821), (493, 42874), (578, 36569), (754, 28033), (986, 21437), (1261, 16762), (1649, 12818), (2522, 8381), (2813, 7514), (3298, 6409), (3757, 5626)]