21508884

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{11273}}^1$

素因数の和:11336

約数の個数: 36

約数和(自身を含む): 55400436

約数和(自身を除く): 33891552

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 11273, 22546, 33819, 45092, 67638, 101457, 135276, 202914, 405828, 597469, 1194938, 1792407, 2389876, 3584814, 5377221, 7169628, 10754442, 21508884]

約数ペア:

[(1, 21508884), (2, 10754442), (3, 7169628), (4, 5377221), (6, 3584814), (9, 2389876), (12, 1792407), (18, 1194938), (36, 597469), (53, 405828), (106, 202914), (159, 135276), (212, 101457), (318, 67638), (477, 45092), (636, 33819), (954, 22546), (1908, 11273)]