2021084940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{78887}}^1$

素因数の和:78967

約数の個数: 96

約数和(自身を含む): 6573579264

約数和(自身を除く): 4552494324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 3660, 4270, 5124, 6405, 8540, 12810, 25620, 78887, 157774, 236661, 315548, 394435, 473322, 552209, 788870, 946644, 1104418, 1183305, 1577740, 1656627, 2208836, 2366610, 2761045, 3313254, 4733220, 4812107, 5522090, 6626508, 8283135, 9624214, 11044180, 14436321, 16566270, 19248428, 24060535, 28872642, 33132540, 33684749, 48121070, 57745284, 67369498, 72181605, 96242140, 101054247, 134738996, 144363210, 168423745, 202108494, 288726420, 336847490, 404216988, 505271235, 673694980, 1010542470, 2021084940]

約数ペア:

[(1, 2021084940), (2, 1010542470), (3, 673694980), (4, 505271235), (5, 404216988), (6, 336847490), (7, 288726420), (10, 202108494), (12, 168423745), (14, 144363210), (15, 134738996), (20, 101054247), (21, 96242140), (28, 72181605), (30, 67369498), (35, 57745284), (42, 48121070), (60, 33684749), (61, 33132540), (70, 28872642), (84, 24060535), (105, 19248428), (122, 16566270), (140, 14436321), (183, 11044180), (210, 9624214), (244, 8283135), (305, 6626508), (366, 5522090), (420, 4812107), (427, 4733220), (610, 3313254), (732, 2761045), (854, 2366610), (915, 2208836), (1220, 1656627), (1281, 1577740), (1708, 1183305), (1830, 1104418), (2135, 946644), (2562, 788870), (3660, 552209), (4270, 473322), (5124, 394435), (6405, 315548), (8540, 236661), (12810, 157774), (25620, 78887)]