21852516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1657}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 58679936

約数和(自身を除く): 36827420

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 157, 314, 471, 628, 942, 1099, 1657, 1884, 2198, 3297, 3314, 4396, 4971, 6594, 6628, 9942, 11599, 13188, 19884, 23198, 34797, 46396, 69594, 139188, 260149, 520298, 780447, 1040596, 1560894, 1821043, 3121788, 3642086, 5463129, 7284172, 10926258, 21852516]

約数ペア:

[(1, 21852516), (2, 10926258), (3, 7284172), (4, 5463129), (6, 3642086), (7, 3121788), (12, 1821043), (14, 1560894), (21, 1040596), (28, 780447), (42, 520298), (84, 260149), (157, 139188), (314, 69594), (471, 46396), (628, 34797), (942, 23198), (1099, 19884), (1657, 13188), (1884, 11599), (2198, 9942), (3297, 6628), (3314, 6594), (4396, 4971)]