21346662

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 48052224

約数和(自身を除く): 26705562

約数列:

[1, 2, 3, 6, 17, 31, 34, 43, 51, 62, 86, 93, 102, 129, 157, 186, 258, 314, 471, 527, 731, 942, 1054, 1333, 1462, 1581, 2193, 2666, 2669, 3162, 3999, 4386, 4867, 5338, 6751, 7998, 8007, 9734, 13502, 14601, 16014, 20253, 22661, 29202, 40506, 45322, 67983, 82739, 114767, 135966, 165478, 209281, 229534, 248217, 344301, 418562, 496434, 627843, 688602, 1255686, 3557777, 7115554, 10673331, 21346662]

約数ペア:

[(1, 21346662), (2, 10673331), (3, 7115554), (6, 3557777), (17, 1255686), (31, 688602), (34, 627843), (43, 496434), (51, 418562), (62, 344301), (86, 248217), (93, 229534), (102, 209281), (129, 165478), (157, 135966), (186, 114767), (258, 82739), (314, 67983), (471, 45322), (527, 40506), (731, 29202), (942, 22661), (1054, 20253), (1333, 16014), (1462, 14601), (1581, 13502), (2193, 9734), (2666, 8007), (2669, 7998), (3162, 6751), (3999, 5338), (4386, 4867)]