21349692

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 180

約数和(自身を含む): 71369480

約数和(自身を除く): 50019788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 49, 52, 57, 63, 76, 78, 84, 91, 98, 114, 117, 126, 133, 147, 156, 171, 182, 196, 228, 234, 247, 252, 266, 273, 294, 342, 343, 364, 399, 441, 468, 494, 532, 546, 588, 637, 684, 686, 741, 798, 819, 882, 931, 988, 1029, 1092, 1197, 1274, 1372, 1482, 1596, 1638, 1729, 1764, 1862, 1911, 2058, 2223, 2394, 2401, 2548, 2793, 2964, 3087, 3276, 3458, 3724, 3822, 4116, 4446, 4459, 4788, 4802, 5187, 5586, 5733, 6174, 6517, 6916, 7203, 7644, 8379, 8892, 8918, 9604, 10374, 11172, 11466, 12103, 12348, 13034, 13377, 14406, 15561, 16758, 17836, 19551, 20748, 21609, 22932, 24206, 26068, 26754, 28812, 31122, 31213, 33516, 36309, 39102, 40131, 43218, 45619, 48412, 53508, 58653, 62244, 62426, 72618, 78204, 80262, 84721, 86436, 91238, 93639, 108927, 117306, 124852, 136857, 145236, 160524, 169442, 182476, 187278, 217854, 234612, 254163, 273714, 280917, 338884, 374556, 410571, 435708, 508326, 547428, 561834, 593047, 762489, 821142, 1016652, 1123668, 1186094, 1524978, 1642284, 1779141, 2372188, 3049956, 3558282, 5337423, 7116564, 10674846, 21349692]

約数ペア:

[(1, 21349692), (2, 10674846), (3, 7116564), (4, 5337423), (6, 3558282), (7, 3049956), (9, 2372188), (12, 1779141), (13, 1642284), (14, 1524978), (18, 1186094), (19, 1123668), (21, 1016652), (26, 821142), (28, 762489), (36, 593047), (38, 561834), (39, 547428), (42, 508326), (49, 435708), (52, 410571), (57, 374556), (63, 338884), (76, 280917), (78, 273714), (84, 254163), (91, 234612), (98, 217854), (114, 187278), (117, 182476), (126, 169442), (133, 160524), (147, 145236), (156, 136857), (171, 124852), (182, 117306), (196, 108927), (228, 93639), (234, 91238), (247, 86436), (252, 84721), (266, 80262), (273, 78204), (294, 72618), (342, 62426), (343, 62244), (364, 58653), (399, 53508), (441, 48412), (468, 45619), (494, 43218), (532, 40131), (546, 39102), (588, 36309), (637, 33516), (684, 31213), (686, 31122), (741, 28812), (798, 26754), (819, 26068), (882, 24206), (931, 22932), (988, 21609), (1029, 20748), (1092, 19551), (1197, 17836), (1274, 16758), (1372, 15561), (1482, 14406), (1596, 13377), (1638, 13034), (1729, 12348), (1764, 12103), (1862, 11466), (1911, 11172), (2058, 10374), (2223, 9604), (2394, 8918), (2401, 8892), (2548, 8379), (2793, 7644), (2964, 7203), (3087, 6916), (3276, 6517), (3458, 6174), (3724, 5733), (3822, 5586), (4116, 5187), (4446, 4802), (4459, 4788)]