21683544

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^2\times {\mathrm{409}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 55522200

約数和(自身を除く): 33838656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 409, 564, 818, 1128, 1227, 1636, 2209, 2454, 3272, 4418, 4908, 6627, 8836, 9816, 13254, 17672, 19223, 26508, 38446, 53016, 57669, 76892, 115338, 153784, 230676, 461352, 903481, 1806962, 2710443, 3613924, 5420886, 7227848, 10841772, 21683544]

約数ペア:

[(1, 21683544), (2, 10841772), (3, 7227848), (4, 5420886), (6, 3613924), (8, 2710443), (12, 1806962), (24, 903481), (47, 461352), (94, 230676), (141, 153784), (188, 115338), (282, 76892), (376, 57669), (409, 53016), (564, 38446), (818, 26508), (1128, 19223), (1227, 17672), (1636, 13254), (2209, 9816), (2454, 8836), (3272, 6627), (4418, 4908)]