21259440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29527}}^1$

素因数の和:29546

約数の個数: 60

約数和(自身を含む): 71398704

約数和(自身を除く): 50139264

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, 29527, 59054, 88581, 118108, 147635, 177162, 236216, 265743, 295270, 354324, 442905, 472432, 531486, 590540, 708648, 885810, 1062972, 1181080, 1328715, 1417296, 1771620, 2125944, 2362160, 2657430, 3543240, 4251888, 5314860, 7086480, 10629720, 21259440]

約数ペア:

[(1, 21259440), (2, 10629720), (3, 7086480), (4, 5314860), (5, 4251888), (6, 3543240), (8, 2657430), (9, 2362160), (10, 2125944), (12, 1771620), (15, 1417296), (16, 1328715), (18, 1181080), (20, 1062972), (24, 885810), (30, 708648), (36, 590540), (40, 531486), (45, 472432), (48, 442905), (60, 354324), (72, 295270), (80, 265743), (90, 236216), (120, 177162), (144, 147635), (180, 118108), (240, 88581), (360, 59054), (720, 29527)]