21882430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 41601600

約数和(自身を除く): 19719170

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 1069, 2047, 2138, 4094, 5345, 10235, 10690, 20470, 24587, 49174, 95141, 122935, 190282, 245870, 475705, 951410, 2188243, 4376486, 10941215, 21882430]

約数ペア:

[(1, 21882430), (2, 10941215), (5, 4376486), (10, 2188243), (23, 951410), (46, 475705), (89, 245870), (115, 190282), (178, 122935), (230, 95141), (445, 49174), (890, 24587), (1069, 20470), (2047, 10690), (2138, 10235), (4094, 5345)]