21973203

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11251}}^1$

素因数の和:11295

約数の個数: 24

約数和(自身を含む): 37446656

約数和(自身を除く): 15473453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 11251, 33753, 78757, 101259, 236271, 348781, 708813, 1046343, 2441467, 3139029, 7324401, 21973203]

約数ペア:

[(1, 21973203), (3, 7324401), (7, 3139029), (9, 2441467), (21, 1046343), (31, 708813), (63, 348781), (93, 236271), (217, 101259), (279, 78757), (651, 33753), (1953, 11251)]