21916504

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1319}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 21168296

約数列:

[1, 2, 4, 8, 31, 62, 67, 124, 134, 248, 268, 536, 1319, 2077, 2638, 4154, 5276, 8308, 10552, 16616, 40889, 81778, 88373, 163556, 176746, 327112, 353492, 706984, 2739563, 5479126, 10958252, 21916504]

約数ペア:

[(1, 21916504), (2, 10958252), (4, 5479126), (8, 2739563), (31, 706984), (62, 353492), (67, 327112), (124, 176746), (134, 163556), (248, 88373), (268, 81778), (536, 40889), (1319, 16616), (2077, 10552), (2638, 8308), (4154, 5276)]