21000270964

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{2647}}^1\times {\mathrm{33617}}^1$

素因数の和:36327

約数の個数: 24

約数和(自身を含む): 37388594880

約数和(自身を除く): 16388323916

約数列:

[1, 2, 4, 59, 118, 236, 2647, 5294, 10588, 33617, 67234, 134468, 156173, 312346, 624692, 1983403, 3966806, 7933612, 88984199, 177968398, 355936796, 5250067741, 10500135482, 21000270964]

約数ペア:

[(1, 21000270964), (2, 10500135482), (4, 5250067741), (59, 355936796), (118, 177968398), (236, 88984199), (2647, 7933612), (5294, 3966806), (10588, 1983403), (33617, 624692), (67234, 312346), (134468, 156173)]