21048198038

素因数分解:

$2^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{1286093}}^1$

素因数の和:1286276

約数の個数: 24

約数和(自身を含む): 36946908432

約数和(自身を除く): 15898710394

約数列:

[1, 2, 7, 14, 49, 98, 167, 334, 1169, 2338, 8183, 16366, 1286093, 2572186, 9002651, 18005302, 63018557, 126037114, 214777531, 429555062, 1503442717, 3006885434, 10524099019, 21048198038]

約数ペア:

[(1, 21048198038), (2, 10524099019), (7, 3006885434), (14, 1503442717), (49, 429555062), (98, 214777531), (167, 126037114), (334, 63018557), (1169, 18005302), (2338, 9002651), (8183, 2572186), (16366, 1286093)]