21439290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23053}}^1$

素因数の和:23094

約数の個数: 32

約数和(自身を含む): 53116416

約数和(自身を除く): 31677126

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 23053, 46106, 69159, 115265, 138318, 230530, 345795, 691590, 714643, 1429286, 2143929, 3573215, 4287858, 7146430, 10719645, 21439290]

約数ペア:

[(1, 21439290), (2, 10719645), (3, 7146430), (5, 4287858), (6, 3573215), (10, 2143929), (15, 1429286), (30, 714643), (31, 691590), (62, 345795), (93, 230530), (155, 138318), (186, 115265), (310, 69159), (465, 46106), (930, 23053)]