21001867440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87507781}}^1$

素因数の和:87507797

約数の個数: 40

約数和(自身を含む): 65105789808

約数和(自身を除く): 44103922368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87507781, 175015562, 262523343, 350031124, 437538905, 525046686, 700062248, 875077810, 1050093372, 1312616715, 1400124496, 1750155620, 2100186744, 2625233430, 3500311240, 4200373488, 5250466860, 7000622480, 10500933720, 21001867440]

約数ペア:

[(1, 21001867440), (2, 10500933720), (3, 7000622480), (4, 5250466860), (5, 4200373488), (6, 3500311240), (8, 2625233430), (10, 2100186744), (12, 1750155620), (15, 1400124496), (16, 1312616715), (20, 1050093372), (24, 875077810), (30, 700062248), (40, 525046686), (48, 437538905), (60, 350031124), (80, 262523343), (120, 175015562), (240, 87507781)]