21326056

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 42386400

約数和(自身を除く): 21060344

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 173, 346, 692, 811, 1384, 1622, 3244, 3287, 6488, 6574, 13148, 15409, 26296, 30818, 61636, 123272, 140303, 280606, 561212, 1122424, 2665757, 5331514, 10663028, 21326056]

約数ペア:

[(1, 21326056), (2, 10663028), (4, 5331514), (8, 2665757), (19, 1122424), (38, 561212), (76, 280606), (152, 140303), (173, 123272), (346, 61636), (692, 30818), (811, 26296), (1384, 15409), (1622, 13148), (3244, 6574), (3287, 6488)]