21562072

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4639}}^1$

素因数の和:4735

約数の個数: 32

約数和(自身を含む): 46771200

約数和(自身を除く): 25209128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4639, 4648, 9278, 18556, 32473, 37112, 64946, 129892, 259784, 385037, 770074, 1540148, 2695259, 3080296, 5390518, 10781036, 21562072]

約数ペア:

[(1, 21562072), (2, 10781036), (4, 5390518), (7, 3080296), (8, 2695259), (14, 1540148), (28, 770074), (56, 385037), (83, 259784), (166, 129892), (332, 64946), (581, 37112), (664, 32473), (1162, 18556), (2324, 9278), (4639, 4648)]