21089698

素因数分解:

$2^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 16407902

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 343, 433, 497, 686, 866, 994, 3031, 3479, 6062, 6958, 21217, 24353, 30743, 42434, 48706, 61486, 148519, 215201, 297038, 430402, 1506407, 3012814, 10544849, 21089698]

約数ペア:

[(1, 21089698), (2, 10544849), (7, 3012814), (14, 1506407), (49, 430402), (71, 297038), (98, 215201), (142, 148519), (343, 61486), (433, 48706), (497, 42434), (686, 30743), (866, 24353), (994, 21217), (3031, 6958), (3479, 6062)]