21834680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2689}}^1$

素因数の和:2736

約数の個数: 64

約数和(自身を含む): 58104000

約数和(自身を除く): 36269320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2689, 4060, 5378, 8120, 10756, 13445, 18823, 21512, 26890, 37646, 53780, 75292, 77981, 94115, 107560, 150584, 155962, 188230, 311924, 376460, 389905, 545867, 623848, 752920, 779810, 1091734, 1559620, 2183468, 2729335, 3119240, 4366936, 5458670, 10917340, 21834680]

約数ペア:

[(1, 21834680), (2, 10917340), (4, 5458670), (5, 4366936), (7, 3119240), (8, 2729335), (10, 2183468), (14, 1559620), (20, 1091734), (28, 779810), (29, 752920), (35, 623848), (40, 545867), (56, 389905), (58, 376460), (70, 311924), (116, 188230), (140, 155962), (145, 150584), (203, 107560), (232, 94115), (280, 77981), (290, 75292), (406, 53780), (580, 37646), (812, 26890), (1015, 21512), (1160, 18823), (1624, 13445), (2030, 10756), (2689, 8120), (4060, 5378)]