21726858

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 48211200

約数和(自身を除く): 26484342

約数列:

[1, 2, 3, 6, 23, 29, 46, 58, 61, 69, 87, 89, 122, 138, 174, 178, 183, 267, 366, 534, 667, 1334, 1403, 1769, 2001, 2047, 2581, 2806, 3538, 4002, 4094, 4209, 5162, 5307, 5429, 6141, 7743, 8418, 10614, 10858, 12282, 15486, 16287, 32574, 40687, 59363, 81374, 118726, 122061, 124867, 157441, 178089, 244122, 249734, 314882, 356178, 374601, 472323, 749202, 944646, 3621143, 7242286, 10863429, 21726858]

約数ペア:

[(1, 21726858), (2, 10863429), (3, 7242286), (6, 3621143), (23, 944646), (29, 749202), (46, 472323), (58, 374601), (61, 356178), (69, 314882), (87, 249734), (89, 244122), (122, 178089), (138, 157441), (174, 124867), (178, 122061), (183, 118726), (267, 81374), (366, 59363), (534, 40687), (667, 32574), (1334, 16287), (1403, 15486), (1769, 12282), (2001, 10858), (2047, 10614), (2581, 8418), (2806, 7743), (3538, 6141), (4002, 5429), (4094, 5307), (4209, 5162)]