21598812

素因数分解:

$2^2\times 3^8\times {\mathrm{823}}^1$

素因数の和:851

約数の個数: 54

約数和(自身を含む): 56762888

約数和(自身を除く): 35164076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 823, 972, 1458, 1646, 2187, 2469, 2916, 3292, 4374, 4938, 6561, 7407, 8748, 9876, 13122, 14814, 22221, 26244, 29628, 44442, 66663, 88884, 133326, 199989, 266652, 399978, 599967, 799956, 1199934, 1799901, 2399868, 3599802, 5399703, 7199604, 10799406, 21598812]

約数ペア:

[(1, 21598812), (2, 10799406), (3, 7199604), (4, 5399703), (6, 3599802), (9, 2399868), (12, 1799901), (18, 1199934), (27, 799956), (36, 599967), (54, 399978), (81, 266652), (108, 199989), (162, 133326), (243, 88884), (324, 66663), (486, 44442), (729, 29628), (823, 26244), (972, 22221), (1458, 14814), (1646, 13122), (2187, 9876), (2469, 8748), (2916, 7407), (3292, 6561), (4374, 4938)]