21937908

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 52948224

約数和(自身を除く): 31010316

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 97, 141, 188, 194, 282, 291, 388, 401, 564, 582, 802, 1164, 1203, 1604, 2406, 4559, 4812, 9118, 13677, 18236, 18847, 27354, 37694, 38897, 54708, 56541, 75388, 77794, 113082, 116691, 155588, 226164, 233382, 466764, 1828159, 3656318, 5484477, 7312636, 10968954, 21937908]

約数ペア:

[(1, 21937908), (2, 10968954), (3, 7312636), (4, 5484477), (6, 3656318), (12, 1828159), (47, 466764), (94, 233382), (97, 226164), (141, 155588), (188, 116691), (194, 113082), (282, 77794), (291, 75388), (388, 56541), (401, 54708), (564, 38897), (582, 37694), (802, 27354), (1164, 18847), (1203, 18236), (1604, 13677), (2406, 9118), (4559, 4812)]