221561214

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{21017}}^1$

素因数の和:21280

約数の個数: 32

約数和(自身を含む): 508467456

約数和(自身を除く): 286906242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 251, 502, 753, 1506, 1757, 3514, 5271, 10542, 21017, 42034, 63051, 126102, 147119, 294238, 441357, 882714, 5275267, 10550534, 15825801, 31651602, 36926869, 73853738, 110780607, 221561214]

約数ペア:

[(1, 221561214), (2, 110780607), (3, 73853738), (6, 36926869), (7, 31651602), (14, 15825801), (21, 10550534), (42, 5275267), (251, 882714), (502, 441357), (753, 294238), (1506, 147119), (1757, 126102), (3514, 63051), (5271, 42034), (10542, 21017)]