21243530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 48771072

約数和(自身を除く): 27527542

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 47, 55, 70, 77, 94, 110, 154, 235, 329, 385, 470, 517, 587, 658, 770, 1034, 1174, 1645, 2585, 2935, 3290, 3619, 4109, 5170, 5870, 6457, 7238, 8218, 12914, 18095, 20545, 27589, 32285, 36190, 41090, 45199, 55178, 64570, 90398, 137945, 193123, 225995, 275890, 303479, 386246, 451990, 606958, 965615, 1517395, 1931230, 2124353, 3034790, 4248706, 10621765, 21243530]

約数ペア:

[(1, 21243530), (2, 10621765), (5, 4248706), (7, 3034790), (10, 2124353), (11, 1931230), (14, 1517395), (22, 965615), (35, 606958), (47, 451990), (55, 386246), (70, 303479), (77, 275890), (94, 225995), (110, 193123), (154, 137945), (235, 90398), (329, 64570), (385, 55178), (470, 45199), (517, 41090), (587, 36190), (658, 32285), (770, 27589), (1034, 20545), (1174, 18095), (1645, 12914), (2585, 8218), (2935, 7238), (3290, 6457), (3619, 5870), (4109, 5170)]