21333676

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 49674240

約数和(自身を除く): 28340564

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 43, 47, 52, 58, 86, 91, 94, 116, 172, 182, 188, 203, 301, 329, 364, 377, 406, 559, 602, 611, 658, 754, 812, 1118, 1204, 1222, 1247, 1316, 1363, 1508, 2021, 2236, 2444, 2494, 2639, 2726, 3913, 4042, 4277, 4988, 5278, 5452, 7826, 8084, 8554, 8729, 9541, 10556, 14147, 15652, 16211, 17108, 17458, 17719, 19082, 26273, 28294, 32422, 34916, 35438, 38164, 52546, 56588, 58609, 64844, 70876, 105092, 113477, 117218, 124033, 183911, 226954, 234436, 248066, 367822, 410263, 453908, 496132, 735644, 761917, 820526, 1523834, 1641052, 3047668, 5333419, 10666838, 21333676]

約数ペア:

[(1, 21333676), (2, 10666838), (4, 5333419), (7, 3047668), (13, 1641052), (14, 1523834), (26, 820526), (28, 761917), (29, 735644), (43, 496132), (47, 453908), (52, 410263), (58, 367822), (86, 248066), (91, 234436), (94, 226954), (116, 183911), (172, 124033), (182, 117218), (188, 113477), (203, 105092), (301, 70876), (329, 64844), (364, 58609), (377, 56588), (406, 52546), (559, 38164), (602, 35438), (611, 34916), (658, 32422), (754, 28294), (812, 26273), (1118, 19082), (1204, 17719), (1222, 17458), (1247, 17108), (1316, 16211), (1363, 15652), (1508, 14147), (2021, 10556), (2236, 9541), (2444, 8729), (2494, 8554), (2639, 8084), (2726, 7826), (3913, 5452), (4042, 5278), (4277, 4988)]