21573752

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 41670720

約数和(自身を除く): 20096968

約数列:

[1, 2, 4, 8, 47, 94, 181, 188, 317, 362, 376, 634, 724, 1268, 1448, 2536, 8507, 14899, 17014, 29798, 34028, 57377, 59596, 68056, 114754, 119192, 229508, 459016, 2696719, 5393438, 10786876, 21573752]

約数ペア:

[(1, 21573752), (2, 10786876), (4, 5393438), (8, 2696719), (47, 459016), (94, 229508), (181, 119192), (188, 114754), (317, 68056), (362, 59596), (376, 57377), (634, 34028), (724, 29798), (1268, 17014), (1448, 14899), (2536, 8507)]