21337238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 15821674

約数列:

[1, 2, 13, 23, 26, 31, 46, 62, 299, 403, 598, 713, 806, 1151, 1426, 2302, 9269, 14963, 18538, 26473, 29926, 35681, 52946, 71362, 344149, 463853, 688298, 820663, 927706, 1641326, 10668619, 21337238]

約数ペア:

[(1, 21337238), (2, 10668619), (13, 1641326), (23, 927706), (26, 820663), (31, 688298), (46, 463853), (62, 344149), (299, 71362), (403, 52946), (598, 35681), (713, 29926), (806, 26473), (1151, 18538), (1426, 14963), (2302, 9269)]