21733810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4373}}^1$

素因数の和:4458

約数の個数: 32

約数和(自身を含む): 45349632

約数和(自身を除く): 23615822

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4373, 4970, 8746, 21865, 30611, 43730, 61222, 153055, 306110, 310483, 620966, 1552415, 2173381, 3104830, 4346762, 10866905, 21733810]

約数ペア:

[(1, 21733810), (2, 10866905), (5, 4346762), (7, 3104830), (10, 2173381), (14, 1552415), (35, 620966), (70, 310483), (71, 306110), (142, 153055), (355, 61222), (497, 43730), (710, 30611), (994, 21865), (2485, 8746), (4373, 4970)]