21798822

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 44616672

約数和(自身を除く): 22817850

約数列:

[1, 2, 3, 6, 73, 146, 157, 219, 314, 317, 438, 471, 634, 942, 951, 1902, 11461, 22922, 23141, 34383, 46282, 49769, 68766, 69423, 99538, 138846, 149307, 298614, 3633137, 7266274, 10899411, 21798822]

約数ペア:

[(1, 21798822), (2, 10899411), (3, 7266274), (6, 3633137), (73, 298614), (146, 149307), (157, 138846), (219, 99538), (314, 69423), (317, 68766), (438, 49769), (471, 46282), (634, 34383), (942, 23141), (951, 22922), (1902, 11461)]