21944018

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 35354880

約数和(自身を除く): 13410862

約数列:

[1, 2, 43, 47, 61, 86, 89, 94, 122, 178, 2021, 2623, 2867, 3827, 4042, 4183, 5246, 5429, 5734, 7654, 8366, 10858, 123281, 179869, 233447, 246562, 255163, 359738, 466894, 510326, 10972009, 21944018]

約数ペア:

[(1, 21944018), (2, 10972009), (43, 510326), (47, 466894), (61, 359738), (86, 255163), (89, 246562), (94, 233447), (122, 179869), (178, 123281), (2021, 10858), (2623, 8366), (2867, 7654), (3827, 5734), (4042, 5429), (4183, 5246)]