21934720

素因数分解:

$2^7\times 5^1\times {\mathrm{34273}}^1$

素因数の和:34292

約数の個数: 32

約数和(自身を含む): 52439220

約数和(自身を除く): 30504500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 34273, 68546, 137092, 171365, 274184, 342730, 548368, 685460, 1096736, 1370920, 2193472, 2741840, 4386944, 5483680, 10967360, 21934720]

約数ペア:

[(1, 21934720), (2, 10967360), (4, 5483680), (5, 4386944), (8, 2741840), (10, 2193472), (16, 1370920), (20, 1096736), (32, 685460), (40, 548368), (64, 342730), (80, 274184), (128, 171365), (160, 137092), (320, 68546), (640, 34273)]