21099904

素因数分解:

$2^7\times 7^1\times {\mathrm{23549}}^1$

素因数の和:23570

約数の個数: 32

約数和(自身を含む): 48042000

約数和(自身を除く): 26942096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23549, 47098, 94196, 164843, 188392, 329686, 376784, 659372, 753568, 1318744, 1507136, 2637488, 3014272, 5274976, 10549952, 21099904]

約数ペア:

[(1, 21099904), (2, 10549952), (4, 5274976), (7, 3014272), (8, 2637488), (14, 1507136), (16, 1318744), (28, 753568), (32, 659372), (56, 376784), (64, 329686), (112, 188392), (128, 164843), (224, 94196), (448, 47098), (896, 23549)]