21374330

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{12799}}^1$

素因数の和:12973

約数の個数: 16

約数和(自身を含む): 38707200

約数和(自身を除く): 17332870

約数列:

[1, 2, 5, 10, 167, 334, 835, 1670, 12799, 25598, 63995, 127990, 2137433, 4274866, 10687165, 21374330]

約数ペア:

[(1, 21374330), (2, 10687165), (5, 4274866), (10, 2137433), (167, 127990), (334, 63995), (835, 25598), (1670, 12799)]