21744530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3457}}^1$

素因数の和:3518

約数の個数: 32

約数和(自身を含む): 42574896

約数和(自身を除く): 20830366

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 3457, 6290, 6914, 17285, 34570, 58769, 117538, 127909, 255818, 293845, 587690, 639545, 1279090, 2174453, 4348906, 10872265, 21744530]

約数ペア:

[(1, 21744530), (2, 10872265), (5, 4348906), (10, 2174453), (17, 1279090), (34, 639545), (37, 587690), (74, 293845), (85, 255818), (170, 127909), (185, 117538), (370, 58769), (629, 34570), (1258, 17285), (3145, 6914), (3457, 6290)]