21390528

素因数分解:

$2^6\times 3^1\times {\mathrm{111409}}^1$

素因数の和:111424

約数の個数: 28

約数和(自身を含む): 56596280

約数和(自身を除く): 35205752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 111409, 222818, 334227, 445636, 668454, 891272, 1336908, 1782544, 2673816, 3565088, 5347632, 7130176, 10695264, 21390528]

約数ペア:

[(1, 21390528), (2, 10695264), (3, 7130176), (4, 5347632), (6, 3565088), (8, 2673816), (12, 1782544), (16, 1336908), (24, 891272), (32, 668454), (48, 445636), (64, 334227), (96, 222818), (192, 111409)]