21768908

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 29034292

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 29, 34, 38, 58, 68, 76, 83, 116, 119, 133, 166, 203, 238, 266, 323, 332, 406, 476, 493, 532, 551, 581, 646, 812, 986, 1102, 1162, 1292, 1411, 1577, 1972, 2204, 2261, 2324, 2407, 2822, 3154, 3451, 3857, 4522, 4814, 5644, 6308, 6902, 7714, 9044, 9367, 9628, 9877, 11039, 13804, 15428, 16849, 18734, 19754, 22078, 26809, 33698, 37468, 39508, 40919, 44156, 45733, 53618, 65569, 67396, 81838, 91466, 107236, 131138, 163676, 182932, 187663, 262276, 286433, 320131, 375326, 572866, 640262, 750652, 777461, 1145732, 1280524, 1554922, 3109844, 5442227, 10884454, 21768908]

約数ペア:

[(1, 21768908), (2, 10884454), (4, 5442227), (7, 3109844), (14, 1554922), (17, 1280524), (19, 1145732), (28, 777461), (29, 750652), (34, 640262), (38, 572866), (58, 375326), (68, 320131), (76, 286433), (83, 262276), (116, 187663), (119, 182932), (133, 163676), (166, 131138), (203, 107236), (238, 91466), (266, 81838), (323, 67396), (332, 65569), (406, 53618), (476, 45733), (493, 44156), (532, 40919), (551, 39508), (581, 37468), (646, 33698), (812, 26809), (986, 22078), (1102, 19754), (1162, 18734), (1292, 16849), (1411, 15428), (1577, 13804), (1972, 11039), (2204, 9877), (2261, 9628), (2324, 9367), (2407, 9044), (2822, 7714), (3154, 6902), (3451, 6308), (3857, 5644), (4522, 4814)]