21551322

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 49787136

約数和(自身を除く): 28235814

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 41, 46, 69, 78, 82, 123, 138, 246, 293, 299, 533, 586, 598, 879, 897, 943, 1066, 1599, 1758, 1794, 1886, 2829, 3198, 3809, 5658, 6739, 7618, 11427, 12013, 12259, 13478, 20217, 22854, 24026, 24518, 36039, 36777, 40434, 72078, 73554, 87607, 156169, 175214, 262821, 276299, 312338, 468507, 525642, 552598, 828897, 937014, 1657794, 3591887, 7183774, 10775661, 21551322]

約数ペア:

[(1, 21551322), (2, 10775661), (3, 7183774), (6, 3591887), (13, 1657794), (23, 937014), (26, 828897), (39, 552598), (41, 525642), (46, 468507), (69, 312338), (78, 276299), (82, 262821), (123, 175214), (138, 156169), (246, 87607), (293, 73554), (299, 72078), (533, 40434), (586, 36777), (598, 36039), (879, 24518), (897, 24026), (943, 22854), (1066, 20217), (1599, 13478), (1758, 12259), (1794, 12013), (1886, 11427), (2829, 7618), (3198, 6739), (3809, 5658)]