21929048

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{421}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 43752960

約数和(自身を除く): 21823912

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 383, 421, 766, 842, 1532, 1684, 3064, 3368, 6511, 7157, 13022, 14314, 26044, 28628, 52088, 57256, 161243, 322486, 644972, 1289944, 2741131, 5482262, 10964524, 21929048]

約数ペア:

[(1, 21929048), (2, 10964524), (4, 5482262), (8, 2741131), (17, 1289944), (34, 644972), (68, 322486), (136, 161243), (383, 57256), (421, 52088), (766, 28628), (842, 26044), (1532, 14314), (1684, 13022), (3064, 7157), (3368, 6511)]