21791064

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 35232936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 116, 131, 174, 232, 239, 262, 348, 393, 478, 524, 696, 717, 786, 956, 1048, 1434, 1572, 1912, 2868, 3144, 3799, 5736, 6931, 7598, 11397, 13862, 15196, 20793, 22794, 27724, 30392, 31309, 41586, 45588, 55448, 62618, 83172, 91176, 93927, 125236, 166344, 187854, 250472, 375708, 751416, 907961, 1815922, 2723883, 3631844, 5447766, 7263688, 10895532, 21791064]

約数ペア:

[(1, 21791064), (2, 10895532), (3, 7263688), (4, 5447766), (6, 3631844), (8, 2723883), (12, 1815922), (24, 907961), (29, 751416), (58, 375708), (87, 250472), (116, 187854), (131, 166344), (174, 125236), (232, 93927), (239, 91176), (262, 83172), (348, 62618), (393, 55448), (478, 45588), (524, 41586), (696, 31309), (717, 30392), (786, 27724), (956, 22794), (1048, 20793), (1434, 15196), (1572, 13862), (1912, 11397), (2868, 7598), (3144, 6931), (3799, 5736)]