21258774

素因数分解:

$2^1\times 3^4\times {\mathrm{281}}^1\times {\mathrm{467}}^1$

素因数の和:762

約数の個数: 40

約数和(自身を含む): 47907288

約数和(自身を除く): 26648514

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 281, 467, 562, 843, 934, 1401, 1686, 2529, 2802, 4203, 5058, 7587, 8406, 12609, 15174, 22761, 25218, 37827, 45522, 75654, 131227, 262454, 393681, 787362, 1181043, 2362086, 3543129, 7086258, 10629387, 21258774]

約数ペア:

[(1, 21258774), (2, 10629387), (3, 7086258), (6, 3543129), (9, 2362086), (18, 1181043), (27, 787362), (54, 393681), (81, 262454), (162, 131227), (281, 75654), (467, 45522), (562, 37827), (843, 25218), (934, 22761), (1401, 15174), (1686, 12609), (2529, 8406), (2802, 7587), (4203, 5058)]