21942560

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4729}}^1$

素因数の和:4773

約数の個数: 48

約数和(自身を含む): 53638200

約数和(自身を除く): 31695640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 4729, 9458, 18916, 23645, 37832, 47290, 75664, 94580, 137141, 151328, 189160, 274282, 378320, 548564, 685705, 756640, 1097128, 1371410, 2194256, 2742820, 4388512, 5485640, 10971280, 21942560]

約数ペア:

[(1, 21942560), (2, 10971280), (4, 5485640), (5, 4388512), (8, 2742820), (10, 2194256), (16, 1371410), (20, 1097128), (29, 756640), (32, 685705), (40, 548564), (58, 378320), (80, 274282), (116, 189160), (145, 151328), (160, 137141), (232, 94580), (290, 75664), (464, 47290), (580, 37832), (928, 23645), (1160, 18916), (2320, 9458), (4640, 4729)]