21710363948

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{439}}^1\times {\mathrm{1493}}^1$

素因数の和:1976

約数の個数: 108

約数和(自身を含む): 47998455120

約数和(自身を除く): 26288091172

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 338, 364, 439, 637, 676, 878, 1183, 1274, 1493, 1756, 2366, 2548, 2986, 3073, 4732, 5707, 5972, 6146, 8281, 10451, 11414, 12292, 16562, 19409, 20902, 21511, 22828, 33124, 38818, 39949, 41804, 43022, 73157, 74191, 77636, 79898, 86044, 135863, 146314, 148382, 159796, 252317, 271726, 279643, 292628, 296764, 504634, 519337, 543452, 559286, 655427, 951041, 1009268, 1038674, 1118572, 1310854, 1766219, 1902082, 2077348, 2621708, 3532438, 3635359, 3804164, 4587989, 7064876, 7270718, 8520551, 9175978, 12363533, 14541436, 17041102, 18351956, 24727066, 32115923, 34082204, 49454132, 59643857, 64231846, 110767163, 119287714, 128463692, 221534326, 238575428, 417506999, 443068652, 775370141, 835013998, 1550740282, 1670027996, 3101480564, 5427590987, 10855181974, 21710363948]

約数ペア:

[(1, 21710363948), (2, 10855181974), (4, 5427590987), (7, 3101480564), (13, 1670027996), (14, 1550740282), (26, 835013998), (28, 775370141), (49, 443068652), (52, 417506999), (91, 238575428), (98, 221534326), (169, 128463692), (182, 119287714), (196, 110767163), (338, 64231846), (364, 59643857), (439, 49454132), (637, 34082204), (676, 32115923), (878, 24727066), (1183, 18351956), (1274, 17041102), (1493, 14541436), (1756, 12363533), (2366, 9175978), (2548, 8520551), (2986, 7270718), (3073, 7064876), (4732, 4587989), (5707, 3804164), (5972, 3635359), (6146, 3532438), (8281, 2621708), (10451, 2077348), (11414, 1902082), (12292, 1766219), (16562, 1310854), (19409, 1118572), (20902, 1038674), (21511, 1009268), (22828, 951041), (33124, 655427), (38818, 559286), (39949, 543452), (41804, 519337), (43022, 504634), (73157, 296764), (74191, 292628), (77636, 279643), (79898, 271726), (86044, 252317), (135863, 159796), (146314, 148382)]