21758300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12799}}^1$

素因数の和:12830

約数の個数: 36

約数和(自身を含む): 49996800

約数和(自身を除く): 28238500

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12799, 25598, 51196, 63995, 127990, 217583, 255980, 319975, 435166, 639950, 870332, 1087915, 1279900, 2175830, 4351660, 5439575, 10879150, 21758300]

約数ペア:

[(1, 21758300), (2, 10879150), (4, 5439575), (5, 4351660), (10, 2175830), (17, 1279900), (20, 1087915), (25, 870332), (34, 639950), (50, 435166), (68, 319975), (85, 255980), (100, 217583), (170, 127990), (340, 63995), (425, 51196), (850, 25598), (1700, 12799)]