21258849528

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{6025751}}^1$

素因数の和:6025777

約数の個数: 72

約数和(自身を含む): 66976233480

約数和(自身を除く): 45717383952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 6025751, 12051502, 18077253, 24103004, 36154506, 42180257, 48206008, 54231759, 72309012, 84360514, 108463518, 126540771, 144618024, 168721028, 216927036, 253081542, 295261799, 337442056, 379622313, 433854072, 506163084, 590523598, 759244626, 885785397, 1012326168, 1181047196, 1518489252, 1771570794, 2362094392, 2657356191, 3036978504, 3543141588, 5314712382, 7086283176, 10629424764, 21258849528]

約数ペア:

[(1, 21258849528), (2, 10629424764), (3, 7086283176), (4, 5314712382), (6, 3543141588), (7, 3036978504), (8, 2657356191), (9, 2362094392), (12, 1771570794), (14, 1518489252), (18, 1181047196), (21, 1012326168), (24, 885785397), (28, 759244626), (36, 590523598), (42, 506163084), (49, 433854072), (56, 379622313), (63, 337442056), (72, 295261799), (84, 253081542), (98, 216927036), (126, 168721028), (147, 144618024), (168, 126540771), (196, 108463518), (252, 84360514), (294, 72309012), (392, 54231759), (441, 48206008), (504, 42180257), (588, 36154506), (882, 24103004), (1176, 18077253), (1764, 12051502), (3528, 6025751)]