21316198408

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{2003}}^1\times {\mathrm{4603}}^1$

素因数の和:6646

約数の個数: 48

約数和(自身を含む): 42487645680

約数和(自身を除く): 21171447272

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2003, 2312, 4006, 4603, 8012, 9206, 16024, 18412, 34051, 36824, 68102, 78251, 136204, 156502, 272408, 313004, 578867, 626008, 1157734, 1330267, 2315468, 2660534, 4630936, 5321068, 9219809, 10642136, 18439618, 36879236, 73758472, 156736753, 313473506, 626947012, 1253894024, 2664524801, 5329049602, 10658099204, 21316198408]

約数ペア:

[(1, 21316198408), (2, 10658099204), (4, 5329049602), (8, 2664524801), (17, 1253894024), (34, 626947012), (68, 313473506), (136, 156736753), (289, 73758472), (578, 36879236), (1156, 18439618), (2003, 10642136), (2312, 9219809), (4006, 5321068), (4603, 4630936), (8012, 2660534), (9206, 2315468), (16024, 1330267), (18412, 1157734), (34051, 626008), (36824, 578867), (68102, 313004), (78251, 272408), (136204, 156502)]