21817872

素因数分解:

$2^4\times 3^2\times {\mathrm{103}}^1\times {\mathrm{1471}}^1$

素因数の和:1588

約数の個数: 60

約数和(自身を含む): 61694464

約数和(自身を除く): 39876592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 103, 144, 206, 309, 412, 618, 824, 927, 1236, 1471, 1648, 1854, 2472, 2942, 3708, 4413, 4944, 5884, 7416, 8826, 11768, 13239, 14832, 17652, 23536, 26478, 35304, 52956, 70608, 105912, 151513, 211824, 303026, 454539, 606052, 909078, 1212104, 1363617, 1818156, 2424208, 2727234, 3636312, 5454468, 7272624, 10908936, 21817872]

約数ペア:

[(1, 21817872), (2, 10908936), (3, 7272624), (4, 5454468), (6, 3636312), (8, 2727234), (9, 2424208), (12, 1818156), (16, 1363617), (18, 1212104), (24, 909078), (36, 606052), (48, 454539), (72, 303026), (103, 211824), (144, 151513), (206, 105912), (309, 70608), (412, 52956), (618, 35304), (824, 26478), (927, 23536), (1236, 17652), (1471, 14832), (1648, 13239), (1854, 11768), (2472, 8826), (2942, 7416), (3708, 5884), (4413, 4944)]