21856308

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 54035520

約数和(自身を除く): 32179212

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 257, 373, 514, 746, 771, 1028, 1119, 1492, 1542, 2238, 3084, 4476, 4883, 7087, 9766, 14174, 14649, 19532, 21261, 28348, 29298, 42522, 58596, 85044, 95861, 191722, 287583, 383444, 575166, 1150332, 1821359, 3642718, 5464077, 7285436, 10928154, 21856308]

約数ペア:

[(1, 21856308), (2, 10928154), (3, 7285436), (4, 5464077), (6, 3642718), (12, 1821359), (19, 1150332), (38, 575166), (57, 383444), (76, 287583), (114, 191722), (228, 95861), (257, 85044), (373, 58596), (514, 42522), (746, 29298), (771, 28348), (1028, 21261), (1119, 19532), (1492, 14649), (1542, 14174), (2238, 9766), (3084, 7087), (4476, 4883)]