21930344

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1723}}^1$

素因数の和:1809

約数の個数: 32

約数和(自身を含む): 43237920

約数和(自身を除く): 21307576

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1591, 1723, 3182, 3446, 6364, 6892, 12728, 13784, 63751, 74089, 127502, 148178, 255004, 296356, 510008, 592712, 2741293, 5482586, 10965172, 21930344]

約数ペア:

[(1, 21930344), (2, 10965172), (4, 5482586), (8, 2741293), (37, 592712), (43, 510008), (74, 296356), (86, 255004), (148, 148178), (172, 127502), (296, 74089), (344, 63751), (1591, 13784), (1723, 12728), (3182, 6892), (3446, 6364)]