21528766

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{313}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 39337920

約数和(自身を除く): 17809154

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 313, 578, 626, 2023, 2191, 4046, 4382, 4913, 5321, 9826, 10642, 34391, 37247, 68782, 74494, 90457, 180914, 633199, 1266398, 1537769, 3075538, 10764383, 21528766]

約数ペア:

[(1, 21528766), (2, 10764383), (7, 3075538), (14, 1537769), (17, 1266398), (34, 633199), (119, 180914), (238, 90457), (289, 74494), (313, 68782), (578, 37247), (626, 34391), (2023, 10642), (2191, 9826), (4046, 5321), (4382, 4913)]