21974460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 64895040

約数和(自身を除く): 42920580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 73, 87, 116, 145, 146, 173, 174, 219, 290, 292, 346, 348, 365, 435, 438, 519, 580, 692, 730, 865, 870, 876, 1038, 1095, 1460, 1730, 1740, 2076, 2117, 2190, 2595, 3460, 4234, 4380, 5017, 5190, 6351, 8468, 10034, 10380, 10585, 12629, 12702, 15051, 20068, 21170, 25085, 25258, 25404, 30102, 31755, 37887, 42340, 50170, 50516, 60204, 63145, 63510, 75255, 75774, 100340, 126290, 127020, 150510, 151548, 189435, 252580, 301020, 366241, 378870, 732482, 757740, 1098723, 1464964, 1831205, 2197446, 3662410, 4394892, 5493615, 7324820, 10987230, 21974460]

約数ペア:

[(1, 21974460), (2, 10987230), (3, 7324820), (4, 5493615), (5, 4394892), (6, 3662410), (10, 2197446), (12, 1831205), (15, 1464964), (20, 1098723), (29, 757740), (30, 732482), (58, 378870), (60, 366241), (73, 301020), (87, 252580), (116, 189435), (145, 151548), (146, 150510), (173, 127020), (174, 126290), (219, 100340), (290, 75774), (292, 75255), (346, 63510), (348, 63145), (365, 60204), (435, 50516), (438, 50170), (519, 42340), (580, 37887), (692, 31755), (730, 30102), (865, 25404), (870, 25258), (876, 25085), (1038, 21170), (1095, 20068), (1460, 15051), (1730, 12702), (1740, 12629), (2076, 10585), (2117, 10380), (2190, 10034), (2595, 8468), (3460, 6351), (4234, 5190), (4380, 5017)]