21214416

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 57853440

約数和(自身を除く): 36639024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 53, 62, 93, 106, 124, 159, 186, 212, 248, 269, 318, 372, 424, 496, 538, 636, 744, 807, 848, 1076, 1272, 1488, 1614, 1643, 2152, 2544, 3228, 3286, 4304, 4929, 6456, 6572, 8339, 9858, 12912, 13144, 14257, 16678, 19716, 25017, 26288, 28514, 33356, 39432, 42771, 50034, 57028, 66712, 78864, 85542, 100068, 114056, 133424, 171084, 200136, 228112, 342168, 400272, 441967, 684336, 883934, 1325901, 1767868, 2651802, 3535736, 5303604, 7071472, 10607208, 21214416]

約数ペア:

[(1, 21214416), (2, 10607208), (3, 7071472), (4, 5303604), (6, 3535736), (8, 2651802), (12, 1767868), (16, 1325901), (24, 883934), (31, 684336), (48, 441967), (53, 400272), (62, 342168), (93, 228112), (106, 200136), (124, 171084), (159, 133424), (186, 114056), (212, 100068), (248, 85542), (269, 78864), (318, 66712), (372, 57028), (424, 50034), (496, 42771), (538, 39432), (636, 33356), (744, 28514), (807, 26288), (848, 25017), (1076, 19716), (1272, 16678), (1488, 14257), (1614, 13144), (1643, 12912), (2152, 9858), (2544, 8339), (3228, 6572), (3286, 6456), (4304, 4929)]