21113655

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3221}}^1$

素因数の和:3271

約数の個数: 32

約数和(自身を含む): 37117440

約数和(自身を除く): 16003785

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 3221, 6555, 9663, 16105, 48315, 61199, 74083, 183597, 222249, 305995, 370415, 917985, 1111245, 1407577, 4222731, 7037885, 21113655]

約数ペア:

[(1, 21113655), (3, 7037885), (5, 4222731), (15, 1407577), (19, 1111245), (23, 917985), (57, 370415), (69, 305995), (95, 222249), (115, 183597), (285, 74083), (345, 61199), (437, 48315), (1311, 16105), (2185, 9663), (3221, 6555)]