21454654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 35957376

約数和(自身を除く): 14502722

約数列:

[1, 2, 13, 26, 47, 94, 97, 181, 194, 362, 611, 1222, 1261, 2353, 2522, 4559, 4706, 8507, 9118, 17014, 17557, 35114, 59267, 110591, 118534, 221182, 228241, 456482, 825179, 1650358, 10727327, 21454654]

約数ペア:

[(1, 21454654), (2, 10727327), (13, 1650358), (26, 825179), (47, 456482), (94, 228241), (97, 221182), (181, 118534), (194, 110591), (362, 59267), (611, 35114), (1222, 17557), (1261, 17014), (2353, 9118), (2522, 8507), (4559, 4706)]