21522870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2687}}^1$

素因数の和:2789

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 35086410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2670, 2687, 4005, 5374, 8010, 8061, 13435, 16122, 24183, 26870, 40305, 48366, 80610, 120915, 239143, 241830, 478286, 717429, 1195715, 1434858, 2152287, 2391430, 3587145, 4304574, 7174290, 10761435, 21522870]

約数ペア:

[(1, 21522870), (2, 10761435), (3, 7174290), (5, 4304574), (6, 3587145), (9, 2391430), (10, 2152287), (15, 1434858), (18, 1195715), (30, 717429), (45, 478286), (89, 241830), (90, 239143), (178, 120915), (267, 80610), (445, 48366), (534, 40305), (801, 26870), (890, 24183), (1335, 16122), (1602, 13435), (2670, 8061), (2687, 8010), (4005, 5374)]