21835047

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 33510400

約数和(自身を除く): 11675353

約数列:

[1, 3, 13, 19, 39, 57, 79, 237, 247, 373, 741, 1027, 1119, 1501, 3081, 4503, 4849, 7087, 14547, 19513, 21261, 29467, 58539, 88401, 92131, 276393, 383071, 559873, 1149213, 1679619, 7278349, 21835047]

約数ペア:

[(1, 21835047), (3, 7278349), (13, 1679619), (19, 1149213), (39, 559873), (57, 383071), (79, 276393), (237, 92131), (247, 88401), (373, 58539), (741, 29467), (1027, 21261), (1119, 19513), (1501, 14547), (3081, 7087), (4503, 4849)]