21987766

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 36197280

約数和(自身を除く): 14209514

約数列:

[1, 2, 17, 34, 59, 97, 113, 118, 194, 226, 1003, 1649, 1921, 2006, 3298, 3842, 5723, 6667, 10961, 11446, 13334, 21922, 97291, 113339, 186337, 194582, 226678, 372674, 646699, 1293398, 10993883, 21987766]

約数ペア:

[(1, 21987766), (2, 10993883), (17, 1293398), (34, 646699), (59, 372674), (97, 226678), (113, 194582), (118, 186337), (194, 113339), (226, 97291), (1003, 21922), (1649, 13334), (1921, 11446), (2006, 10961), (3298, 6667), (3842, 5723)]