21190053346

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1\times {\mathrm{140837}}^1$

素因数の和:141834

約数の個数: 32

約数和(自身を含む): 39668994432

約数和(自身を除く): 18478941086

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 977, 1954, 6839, 10747, 13678, 21494, 75229, 140837, 150458, 281674, 985859, 1549207, 1971718, 3098414, 10844449, 21688898, 137597749, 275195498, 963184243, 1513575239, 1926368486, 3027150478, 10595026673, 21190053346]

約数ペア:

[(1, 21190053346), (2, 10595026673), (7, 3027150478), (11, 1926368486), (14, 1513575239), (22, 963184243), (77, 275195498), (154, 137597749), (977, 21688898), (1954, 10844449), (6839, 3098414), (10747, 1971718), (13678, 1549207), (21494, 985859), (75229, 281674), (140837, 150458)]