21726516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1429}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 58298240

約数和(自身を除く): 36571724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 181, 362, 543, 724, 1086, 1267, 1429, 2172, 2534, 2858, 3801, 4287, 5068, 5716, 7602, 8574, 10003, 15204, 17148, 20006, 30009, 40012, 60018, 120036, 258649, 517298, 775947, 1034596, 1551894, 1810543, 3103788, 3621086, 5431629, 7242172, 10863258, 21726516]

約数ペア:

[(1, 21726516), (2, 10863258), (3, 7242172), (4, 5431629), (6, 3621086), (7, 3103788), (12, 1810543), (14, 1551894), (21, 1034596), (28, 775947), (42, 517298), (84, 258649), (181, 120036), (362, 60018), (543, 40012), (724, 30009), (1086, 20006), (1267, 17148), (1429, 15204), (2172, 10003), (2534, 8574), (2858, 7602), (3801, 5716), (4287, 5068)]