221521272

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1318579}}^1$

素因数の和:1318595

約数の個数: 32

約数和(自身を含む): 632918400

約数和(自身を除く): 411397128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1318579, 2637158, 3955737, 5274316, 7911474, 9230053, 10548632, 15822948, 18460106, 27690159, 31645896, 36920212, 55380318, 73840424, 110760636, 221521272]

約数ペア:

[(1, 221521272), (2, 110760636), (3, 73840424), (4, 55380318), (6, 36920212), (7, 31645896), (8, 27690159), (12, 18460106), (14, 15822948), (21, 10548632), (24, 9230053), (28, 7911474), (42, 5274316), (56, 3955737), (84, 2637158), (168, 1318579)]