21167249480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{39869}}^1$

素因数の和:40914

約数の個数: 64

約数和(自身を含む): 51341396400

約数和(自身を除く): 30174146920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1021, 2042, 4084, 5105, 8168, 10210, 13273, 20420, 26546, 39869, 40840, 53092, 66365, 79738, 106184, 132730, 159476, 199345, 265460, 318952, 398690, 518297, 530920, 797380, 1036594, 1594760, 2073188, 2591485, 4146376, 5182970, 10365940, 20731880, 40706249, 81412498, 162824996, 203531245, 325649992, 407062490, 529181237, 814124980, 1058362474, 1628249960, 2116724948, 2645906185, 4233449896, 5291812370, 10583624740, 21167249480]

約数ペア:

[(1, 21167249480), (2, 10583624740), (4, 5291812370), (5, 4233449896), (8, 2645906185), (10, 2116724948), (13, 1628249960), (20, 1058362474), (26, 814124980), (40, 529181237), (52, 407062490), (65, 325649992), (104, 203531245), (130, 162824996), (260, 81412498), (520, 40706249), (1021, 20731880), (2042, 10365940), (4084, 5182970), (5105, 4146376), (8168, 2591485), (10210, 2073188), (13273, 1594760), (20420, 1036594), (26546, 797380), (39869, 530920), (40840, 518297), (53092, 398690), (66365, 318952), (79738, 265460), (106184, 199345), (132730, 159476)]