21354536

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12301}}^1$

素因数の和:12345

約数の個数: 32

約数和(自身を含む): 47239680

約数和(自身を除く): 25885144

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12301, 24602, 49204, 86107, 98408, 172214, 344428, 381331, 688856, 762662, 1525324, 2669317, 3050648, 5338634, 10677268, 21354536]

約数ペア:

[(1, 21354536), (2, 10677268), (4, 5338634), (7, 3050648), (8, 2669317), (14, 1525324), (28, 762662), (31, 688856), (56, 381331), (62, 344428), (124, 172214), (217, 98408), (248, 86107), (434, 49204), (868, 24602), (1736, 12301)]