21050736

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 160

約数和(自身を含む): 67043328

約数和(自身を除く): 45992592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 43, 47, 48, 56, 62, 84, 86, 93, 94, 112, 124, 129, 141, 168, 172, 186, 188, 217, 248, 258, 282, 301, 329, 336, 344, 372, 376, 434, 496, 516, 564, 602, 651, 658, 688, 744, 752, 868, 903, 987, 1032, 1128, 1204, 1302, 1316, 1333, 1457, 1488, 1736, 1806, 1974, 2021, 2064, 2256, 2408, 2604, 2632, 2666, 2914, 3472, 3612, 3948, 3999, 4042, 4371, 4816, 5208, 5264, 5332, 5828, 6063, 7224, 7896, 7998, 8084, 8742, 9331, 10199, 10416, 10664, 11656, 12126, 14147, 14448, 15792, 15996, 16168, 17484, 18662, 20398, 21328, 23312, 24252, 27993, 28294, 30597, 31992, 32336, 34968, 37324, 40796, 42441, 48504, 55986, 56588, 61194, 62651, 63984, 69936, 74648, 81592, 84882, 97008, 111972, 113176, 122388, 125302, 149296, 163184, 169764, 187953, 223944, 226352, 244776, 250604, 339528, 375906, 438557, 447888, 489552, 501208, 679056, 751812, 877114, 1002416, 1315671, 1503624, 1754228, 2631342, 3007248, 3508456, 5262684, 7016912, 10525368, 21050736]

約数ペア:

[(1, 21050736), (2, 10525368), (3, 7016912), (4, 5262684), (6, 3508456), (7, 3007248), (8, 2631342), (12, 1754228), (14, 1503624), (16, 1315671), (21, 1002416), (24, 877114), (28, 751812), (31, 679056), (42, 501208), (43, 489552), (47, 447888), (48, 438557), (56, 375906), (62, 339528), (84, 250604), (86, 244776), (93, 226352), (94, 223944), (112, 187953), (124, 169764), (129, 163184), (141, 149296), (168, 125302), (172, 122388), (186, 113176), (188, 111972), (217, 97008), (248, 84882), (258, 81592), (282, 74648), (301, 69936), (329, 63984), (336, 62651), (344, 61194), (372, 56588), (376, 55986), (434, 48504), (496, 42441), (516, 40796), (564, 37324), (602, 34968), (651, 32336), (658, 31992), (688, 30597), (744, 28294), (752, 27993), (868, 24252), (903, 23312), (987, 21328), (1032, 20398), (1128, 18662), (1204, 17484), (1302, 16168), (1316, 15996), (1333, 15792), (1457, 14448), (1488, 14147), (1736, 12126), (1806, 11656), (1974, 10664), (2021, 10416), (2064, 10199), (2256, 9331), (2408, 8742), (2604, 8084), (2632, 7998), (2666, 7896), (2914, 7224), (3472, 6063), (3612, 5828), (3948, 5332), (3999, 5264), (4042, 5208), (4371, 4816)]