21804706

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 42107040

約数和(自身を除く): 20302334

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 113, 154, 179, 226, 358, 539, 791, 1078, 1243, 1253, 1582, 1969, 2486, 2506, 3938, 5537, 8701, 8771, 11074, 13783, 17402, 17542, 20227, 27566, 40454, 60907, 96481, 121814, 141589, 192962, 222497, 283178, 444994, 991123, 1557479, 1982246, 3114958, 10902353, 21804706]

約数ペア:

[(1, 21804706), (2, 10902353), (7, 3114958), (11, 1982246), (14, 1557479), (22, 991123), (49, 444994), (77, 283178), (98, 222497), (113, 192962), (154, 141589), (179, 121814), (226, 96481), (358, 60907), (539, 40454), (791, 27566), (1078, 20227), (1243, 17542), (1253, 17402), (1582, 13783), (1969, 11074), (2486, 8771), (2506, 8701), (3938, 5537)]