21206720388

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{36065851}}^1$

素因数の和:36065872

約数の個数: 36

約数和(自身を含む): 57561099792

約数和(自身を除く): 36354379404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 36065851, 72131702, 108197553, 144263404, 216395106, 252460957, 432790212, 504921914, 757382871, 1009843828, 1514765742, 1767226699, 3029531484, 3534453398, 5301680097, 7068906796, 10603360194, 21206720388]

約数ペア:

[(1, 21206720388), (2, 10603360194), (3, 7068906796), (4, 5301680097), (6, 3534453398), (7, 3029531484), (12, 1767226699), (14, 1514765742), (21, 1009843828), (28, 757382871), (42, 504921914), (49, 432790212), (84, 252460957), (98, 216395106), (147, 144263404), (196, 108197553), (294, 72131702), (588, 36065851)]