21172242

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2281}}^1$

素因数の和:2323

約数の個数: 64

約数和(自身を含む): 55206144

約数和(自身を除く): 34033902

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 2281, 3094, 4562, 4641, 6843, 9282, 13686, 15967, 29653, 31934, 38777, 47901, 59306, 77554, 88959, 95802, 116331, 177918, 207571, 232662, 271439, 415142, 504101, 542878, 622713, 814317, 1008202, 1245426, 1512303, 1628634, 3024606, 3528707, 7057414, 10586121, 21172242]

約数ペア:

[(1, 21172242), (2, 10586121), (3, 7057414), (6, 3528707), (7, 3024606), (13, 1628634), (14, 1512303), (17, 1245426), (21, 1008202), (26, 814317), (34, 622713), (39, 542878), (42, 504101), (51, 415142), (78, 271439), (91, 232662), (102, 207571), (119, 177918), (182, 116331), (221, 95802), (238, 88959), (273, 77554), (357, 59306), (442, 47901), (546, 38777), (663, 31934), (714, 29653), (1326, 15967), (1547, 13686), (2281, 9282), (3094, 6843), (4562, 4641)]