21131670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2141}}^1$

素因数の和:2205

約数の個数: 64

約数和(自身を含む): 59222016

約数和(自身を除く): 38090346

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 2141, 3290, 4282, 4935, 6423, 9870, 10705, 12846, 14987, 21410, 29974, 32115, 44961, 64230, 74935, 89922, 100627, 149870, 201254, 224805, 301881, 449610, 503135, 603762, 704389, 1006270, 1408778, 1509405, 2113167, 3018810, 3521945, 4226334, 7043890, 10565835, 21131670]

約数ペア:

[(1, 21131670), (2, 10565835), (3, 7043890), (5, 4226334), (6, 3521945), (7, 3018810), (10, 2113167), (14, 1509405), (15, 1408778), (21, 1006270), (30, 704389), (35, 603762), (42, 503135), (47, 449610), (70, 301881), (94, 224805), (105, 201254), (141, 149870), (210, 100627), (235, 89922), (282, 74935), (329, 64230), (470, 44961), (658, 32115), (705, 29974), (987, 21410), (1410, 14987), (1645, 12846), (1974, 10705), (2141, 9870), (3290, 6423), (4282, 4935)]