21816436460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{922081}}^1$

素因数の和:922123

約数の個数: 72

約数和(自身を含む): 56696978016

約数和(自身を除く): 34880541556

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 4732, 5915, 11830, 23660, 922081, 1844162, 3688324, 4610405, 6454567, 9220810, 11987053, 12909134, 18441620, 23974106, 25818268, 32272835, 47948212, 59935265, 64545670, 83909371, 119870530, 129091340, 155831689, 167818742, 239741060, 311663378, 335637484, 419546855, 623326756, 779158445, 839093710, 1090821823, 1558316890, 1678187420, 2181643646, 3116633780, 4363287292, 5454109115, 10908218230, 21816436460]

約数ペア:

[(1, 21816436460), (2, 10908218230), (4, 5454109115), (5, 4363287292), (7, 3116633780), (10, 2181643646), (13, 1678187420), (14, 1558316890), (20, 1090821823), (26, 839093710), (28, 779158445), (35, 623326756), (52, 419546855), (65, 335637484), (70, 311663378), (91, 239741060), (130, 167818742), (140, 155831689), (169, 129091340), (182, 119870530), (260, 83909371), (338, 64545670), (364, 59935265), (455, 47948212), (676, 32272835), (845, 25818268), (910, 23974106), (1183, 18441620), (1690, 12909134), (1820, 11987053), (2366, 9220810), (3380, 6454567), (4732, 4610405), (5915, 3688324), (11830, 1844162), (23660, 922081)]