21119504

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1867}}^1$

素因数の和:1983

約数の個数: 40

約数和(自身を含む): 47252928

約数和(自身を除く): 26133424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1414, 1616, 1867, 2828, 3734, 5656, 7468, 11312, 13069, 14936, 26138, 29872, 52276, 104552, 188567, 209104, 377134, 754268, 1319969, 1508536, 2639938, 3017072, 5279876, 10559752, 21119504]

約数ペア:

[(1, 21119504), (2, 10559752), (4, 5279876), (7, 3017072), (8, 2639938), (14, 1508536), (16, 1319969), (28, 754268), (56, 377134), (101, 209104), (112, 188567), (202, 104552), (404, 52276), (707, 29872), (808, 26138), (1414, 14936), (1616, 13069), (1867, 11312), (2828, 7468), (3734, 5656)]