21751238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 15020602

約数列:

[1, 2, 19, 23, 38, 41, 46, 82, 437, 607, 779, 874, 943, 1214, 1558, 1886, 11533, 13961, 17917, 23066, 24887, 27922, 35834, 49774, 265259, 472853, 530518, 572401, 945706, 1144802, 10875619, 21751238]

約数ペア:

[(1, 21751238), (2, 10875619), (19, 1144802), (23, 945706), (38, 572401), (41, 530518), (46, 472853), (82, 265259), (437, 49774), (607, 35834), (779, 27922), (874, 24887), (943, 23066), (1214, 17917), (1558, 13961), (1886, 11533)]