21580832

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7411}}^1$

素因数の和:7441

約数の個数: 48

約数和(自身を含む): 52299072

約数和(自身を除く): 30718240

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 7411, 14822, 29644, 51877, 59288, 96343, 103754, 118576, 192686, 207508, 237152, 385372, 415016, 674401, 770744, 830032, 1348802, 1541488, 1660064, 2697604, 3082976, 5395208, 10790416, 21580832]

約数ペア:

[(1, 21580832), (2, 10790416), (4, 5395208), (7, 3082976), (8, 2697604), (13, 1660064), (14, 1541488), (16, 1348802), (26, 830032), (28, 770744), (32, 674401), (52, 415016), (56, 385372), (91, 237152), (104, 207508), (112, 192686), (182, 118576), (208, 103754), (224, 96343), (364, 59288), (416, 51877), (728, 29644), (1456, 14822), (2912, 7411)]