21077848428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2757437}}^1$

素因数の和:2757471

約数の個数: 72

約数和(自身を含む): 61612194672

約数和(自身を除く): 40534346244

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 2757437, 5514874, 8272311, 11029748, 16544622, 19302059, 33089244, 35846681, 38604118, 57906177, 71693362, 77208236, 107540043, 115812354, 135114413, 143386724, 215080086, 231624708, 250926767, 270228826, 405343239, 430160172, 501853534, 540457652, 752780301, 810686478, 1003707068, 1505560602, 1621372956, 1756487369, 3011121204, 3512974738, 5269462107, 7025949476, 10538924214, 21077848428]

約数ペア:

[(1, 21077848428), (2, 10538924214), (3, 7025949476), (4, 5269462107), (6, 3512974738), (7, 3011121204), (12, 1756487369), (13, 1621372956), (14, 1505560602), (21, 1003707068), (26, 810686478), (28, 752780301), (39, 540457652), (42, 501853534), (49, 430160172), (52, 405343239), (78, 270228826), (84, 250926767), (91, 231624708), (98, 215080086), (147, 143386724), (156, 135114413), (182, 115812354), (196, 107540043), (273, 77208236), (294, 71693362), (364, 57906177), (546, 38604118), (588, 35846681), (637, 33089244), (1092, 19302059), (1274, 16544622), (1911, 11029748), (2548, 8272311), (3822, 5514874), (7644, 2757437)]