21700124040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{25833481}}^1$

素因数の和:25833502

約数の個数: 64

約数和(自身を含む): 74400428160

約数和(自身を除く): 52700304120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 25833481, 51666962, 77500443, 103333924, 129167405, 155000886, 180834367, 206667848, 258334810, 310001772, 361668734, 387502215, 516669620, 542503101, 620003544, 723337468, 775004430, 904171835, 1033339240, 1085006202, 1446674936, 1550008860, 1808343670, 2170012404, 2712515505, 3100017720, 3616687340, 4340024808, 5425031010, 7233374680, 10850062020, 21700124040]

約数ペア:

[(1, 21700124040), (2, 10850062020), (3, 7233374680), (4, 5425031010), (5, 4340024808), (6, 3616687340), (7, 3100017720), (8, 2712515505), (10, 2170012404), (12, 1808343670), (14, 1550008860), (15, 1446674936), (20, 1085006202), (21, 1033339240), (24, 904171835), (28, 775004430), (30, 723337468), (35, 620003544), (40, 542503101), (42, 516669620), (56, 387502215), (60, 361668734), (70, 310001772), (84, 258334810), (105, 206667848), (120, 180834367), (140, 155000886), (168, 129167405), (210, 103333924), (280, 77500443), (420, 51666962), (840, 25833481)]