21787518

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 44480160

約数和(自身を除く): 22692642

約数列:

[1, 2, 3, 6, 101, 157, 202, 229, 303, 314, 458, 471, 606, 687, 942, 1374, 15857, 23129, 31714, 35953, 46258, 47571, 69387, 71906, 95142, 107859, 138774, 215718, 3631253, 7262506, 10893759, 21787518]

約数ペア:

[(1, 21787518), (2, 10893759), (3, 7262506), (6, 3631253), (101, 215718), (157, 138774), (202, 107859), (229, 95142), (303, 71906), (314, 69387), (458, 47571), (471, 46258), (606, 35953), (687, 31714), (942, 23129), (1374, 15857)]