21000635538

素因数分解:

$2^1\times 3^1\times {\mathrm{9109}}^1\times {\mathrm{384247}}^1$

素因数の和:393361

約数の個数: 16

約数和(自身を含む): 42005991360

約数和(自身を除く): 21005355822

約数列:

[1, 2, 3, 6, 9109, 18218, 27327, 54654, 384247, 768494, 1152741, 2305482, 3500105923, 7000211846, 10500317769, 21000635538]

約数ペア:

[(1, 21000635538), (2, 10500317769), (3, 7000211846), (6, 3500105923), (9109, 2305482), (18218, 1152741), (27327, 768494), (54654, 384247)]