21545082

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 52738560

約数和(自身を除く): 31193478

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 47, 54, 78, 94, 117, 141, 234, 282, 351, 423, 611, 653, 702, 846, 1222, 1269, 1306, 1833, 1959, 2538, 3666, 3918, 5499, 5877, 8489, 10998, 11754, 16497, 16978, 17631, 25467, 30691, 32994, 35262, 50934, 61382, 76401, 92073, 152802, 184146, 229203, 276219, 398983, 458406, 552438, 797966, 828657, 1196949, 1657314, 2393898, 3590847, 7181694, 10772541, 21545082]

約数ペア:

[(1, 21545082), (2, 10772541), (3, 7181694), (6, 3590847), (9, 2393898), (13, 1657314), (18, 1196949), (26, 828657), (27, 797966), (39, 552438), (47, 458406), (54, 398983), (78, 276219), (94, 229203), (117, 184146), (141, 152802), (234, 92073), (282, 76401), (351, 61382), (423, 50934), (611, 35262), (653, 32994), (702, 30691), (846, 25467), (1222, 17631), (1269, 16978), (1306, 16497), (1833, 11754), (1959, 10998), (2538, 8489), (3666, 5877), (3918, 5499)]