21597436

素因数分解:

$2^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1091}}^1$

素因数の和:1210

約数の個数: 36

約数和(自身を含む): 44442216

約数和(自身を除く): 22844780

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 196, 202, 404, 707, 1091, 1414, 2182, 2828, 4364, 4949, 7637, 9898, 15274, 19796, 30548, 53459, 106918, 110191, 213836, 220382, 440764, 771337, 1542674, 3085348, 5399359, 10798718, 21597436]

約数ペア:

[(1, 21597436), (2, 10798718), (4, 5399359), (7, 3085348), (14, 1542674), (28, 771337), (49, 440764), (98, 220382), (101, 213836), (196, 110191), (202, 106918), (404, 53459), (707, 30548), (1091, 19796), (1414, 15274), (2182, 9898), (2828, 7637), (4364, 4949)]