21298320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29581}}^1$

素因数の和:29600

約数の個数: 60

約数和(自身を含む): 71529276

約数和(自身を除く): 50230956

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29581, 59162, 88743, 118324, 147905, 177486, 236648, 266229, 295810, 354972, 443715, 473296, 532458, 591620, 709944, 887430, 1064916, 1183240, 1331145, 1419888, 1774860, 2129832, 2366480, 2662290, 3549720, 4259664, 5324580, 7099440, 10649160, 21298320]

約数ペア:

[(1, 21298320), (2, 10649160), (3, 7099440), (4, 5324580), (5, 4259664), (6, 3549720), (8, 2662290), (9, 2366480), (10, 2129832), (12, 1774860), (15, 1419888), (16, 1331145), (18, 1183240), (20, 1064916), (24, 887430), (30, 709944), (36, 591620), (40, 532458), (45, 473296), (48, 443715), (60, 354972), (72, 295810), (80, 266229), (90, 236648), (120, 177486), (144, 147905), (180, 118324), (240, 88743), (360, 59162), (720, 29581)]