21630576

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 61924608

約数和(自身を除く): 40294032

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 71, 88, 132, 142, 176, 213, 264, 284, 426, 528, 568, 577, 781, 852, 1136, 1154, 1562, 1704, 1731, 2308, 2343, 3124, 3408, 3462, 4616, 4686, 6248, 6347, 6924, 9232, 9372, 12496, 12694, 13848, 18744, 19041, 25388, 27696, 37488, 38082, 40967, 50776, 76164, 81934, 101552, 122901, 152328, 163868, 245802, 304656, 327736, 450637, 491604, 655472, 901274, 983208, 1351911, 1802548, 1966416, 2703822, 3605096, 5407644, 7210192, 10815288, 21630576]

約数ペア:

[(1, 21630576), (2, 10815288), (3, 7210192), (4, 5407644), (6, 3605096), (8, 2703822), (11, 1966416), (12, 1802548), (16, 1351911), (22, 983208), (24, 901274), (33, 655472), (44, 491604), (48, 450637), (66, 327736), (71, 304656), (88, 245802), (132, 163868), (142, 152328), (176, 122901), (213, 101552), (264, 81934), (284, 76164), (426, 50776), (528, 40967), (568, 38082), (577, 37488), (781, 27696), (852, 25388), (1136, 19041), (1154, 18744), (1562, 13848), (1704, 12694), (1731, 12496), (2308, 9372), (2343, 9232), (3124, 6924), (3408, 6347), (3462, 6248), (4616, 4686)]