21560224

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3319}}^1$

素因数の和:3365

約数の個数: 48

約数和(自身を含む): 50198400

約数和(自身を除く): 28638176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 3248, 3319, 6496, 6638, 13276, 23233, 26552, 46466, 53104, 92932, 96251, 106208, 185864, 192502, 371728, 385004, 673757, 743456, 770008, 1347514, 1540016, 2695028, 3080032, 5390056, 10780112, 21560224]

約数ペア:

[(1, 21560224), (2, 10780112), (4, 5390056), (7, 3080032), (8, 2695028), (14, 1540016), (16, 1347514), (28, 770008), (29, 743456), (32, 673757), (56, 385004), (58, 371728), (112, 192502), (116, 185864), (203, 106208), (224, 96251), (232, 92932), (406, 53104), (464, 46466), (812, 26552), (928, 23233), (1624, 13276), (3248, 6638), (3319, 6496)]