21393126

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 30446874

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 29, 38, 54, 57, 58, 87, 114, 171, 174, 261, 342, 513, 522, 551, 719, 783, 1026, 1102, 1438, 1566, 1653, 2157, 3306, 4314, 4959, 6471, 9918, 12942, 13661, 14877, 19413, 20851, 27322, 29754, 38826, 40983, 41702, 62553, 81966, 122949, 125106, 187659, 245898, 368847, 375318, 396169, 562977, 737694, 792338, 1125954, 1188507, 2377014, 3565521, 7131042, 10696563, 21393126]

約数ペア:

[(1, 21393126), (2, 10696563), (3, 7131042), (6, 3565521), (9, 2377014), (18, 1188507), (19, 1125954), (27, 792338), (29, 737694), (38, 562977), (54, 396169), (57, 375318), (58, 368847), (87, 245898), (114, 187659), (171, 125106), (174, 122949), (261, 81966), (342, 62553), (513, 41702), (522, 40983), (551, 38826), (719, 29754), (783, 27322), (1026, 20851), (1102, 19413), (1438, 14877), (1566, 13661), (1653, 12942), (2157, 9918), (3306, 6471), (4314, 4959)]