21807156

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37087}}^1$

素因数の和:37108

約数の個数: 36

約数和(自身を含む): 59192448

約数和(自身を除く): 37385292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 37087, 74174, 111261, 148348, 222522, 259609, 445044, 519218, 778827, 1038436, 1557654, 1817263, 3115308, 3634526, 5451789, 7269052, 10903578, 21807156]

約数ペア:

[(1, 21807156), (2, 10903578), (3, 7269052), (4, 5451789), (6, 3634526), (7, 3115308), (12, 1817263), (14, 1557654), (21, 1038436), (28, 778827), (42, 519218), (49, 445044), (84, 259609), (98, 222522), (147, 148348), (196, 111261), (294, 74174), (588, 37087)]