21410815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 7619585

約数列:

[1, 5, 19, 23, 41, 95, 115, 205, 239, 437, 779, 943, 1195, 2185, 3895, 4541, 4715, 5497, 9799, 17917, 22705, 27485, 48995, 89585, 104443, 186181, 225377, 522215, 930905, 1126885, 4282163, 21410815]

約数ペア:

[(1, 21410815), (5, 4282163), (19, 1126885), (23, 930905), (41, 522215), (95, 225377), (115, 186181), (205, 104443), (239, 89585), (437, 48995), (779, 27485), (943, 22705), (1195, 17917), (2185, 9799), (3895, 5497), (4541, 4715)]