21329900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12547}}^1$

素因数の和:12578

約数の個数: 36

約数和(自身を含む): 49012488

約数和(自身を除く): 27682588

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12547, 25094, 50188, 62735, 125470, 213299, 250940, 313675, 426598, 627350, 853196, 1066495, 1254700, 2132990, 4265980, 5332475, 10664950, 21329900]

約数ペア:

[(1, 21329900), (2, 10664950), (4, 5332475), (5, 4265980), (10, 2132990), (17, 1254700), (20, 1066495), (25, 853196), (34, 627350), (50, 426598), (68, 313675), (85, 250940), (100, 213299), (170, 125470), (340, 62735), (425, 50188), (850, 25094), (1700, 12547)]