21790496

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1069}}^1$

素因数の和:1106

約数の個数: 72

約数和(自身を含む): 53793180

約数和(自身を除く): 32002684

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1069, 1274, 1456, 1568, 2138, 2548, 2912, 4276, 5096, 7483, 8552, 10192, 13897, 14966, 17104, 20384, 27794, 29932, 34208, 52381, 55588, 59864, 97279, 104762, 111176, 119728, 194558, 209524, 222352, 239456, 389116, 419048, 444704, 680953, 778232, 838096, 1361906, 1556464, 1676192, 2723812, 3112928, 5447624, 10895248, 21790496]

約数ペア:

[(1, 21790496), (2, 10895248), (4, 5447624), (7, 3112928), (8, 2723812), (13, 1676192), (14, 1556464), (16, 1361906), (26, 838096), (28, 778232), (32, 680953), (49, 444704), (52, 419048), (56, 389116), (91, 239456), (98, 222352), (104, 209524), (112, 194558), (182, 119728), (196, 111176), (208, 104762), (224, 97279), (364, 59864), (392, 55588), (416, 52381), (637, 34208), (728, 29932), (784, 27794), (1069, 20384), (1274, 17104), (1456, 14966), (1568, 13897), (2138, 10192), (2548, 8552), (2912, 7483), (4276, 5096)]