21566388

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 51932160

約数和(自身を除く): 30365772

約数列:

[1, 2, 3, 4, 6, 12, 59, 83, 118, 166, 177, 236, 249, 332, 354, 367, 498, 708, 734, 996, 1101, 1468, 2202, 4404, 4897, 9794, 14691, 19588, 21653, 29382, 30461, 43306, 58764, 60922, 64959, 86612, 91383, 121844, 129918, 182766, 259836, 365532, 1797199, 3594398, 5391597, 7188796, 10783194, 21566388]

約数ペア:

[(1, 21566388), (2, 10783194), (3, 7188796), (4, 5391597), (6, 3594398), (12, 1797199), (59, 365532), (83, 259836), (118, 182766), (166, 129918), (177, 121844), (236, 91383), (249, 86612), (332, 64959), (354, 60922), (367, 58764), (498, 43306), (708, 30461), (734, 29382), (996, 21653), (1101, 19588), (1468, 14691), (2202, 9794), (4404, 4897)]