21363740

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2789}}^1$

素因数の和:3181

約数の個数: 24

約数和(自身を含む): 44997120

約数和(自身を除く): 23633380

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 2789, 3830, 5578, 7660, 11156, 13945, 27890, 55780, 1068187, 2136374, 4272748, 5340935, 10681870, 21363740]

約数ペア:

[(1, 21363740), (2, 10681870), (4, 5340935), (5, 4272748), (10, 2136374), (20, 1068187), (383, 55780), (766, 27890), (1532, 13945), (1915, 11156), (2789, 7660), (3830, 5578)]