21890904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{130303}}^1$

素因数の和:130319

約数の個数: 32

約数和(自身を含む): 62545920

約数和(自身を除く): 40655016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 130303, 260606, 390909, 521212, 781818, 912121, 1042424, 1563636, 1824242, 2736363, 3127272, 3648484, 5472726, 7296968, 10945452, 21890904]

約数ペア:

[(1, 21890904), (2, 10945452), (3, 7296968), (4, 5472726), (6, 3648484), (7, 3127272), (8, 2736363), (12, 1824242), (14, 1563636), (21, 1042424), (24, 912121), (28, 781818), (42, 521212), (56, 390909), (84, 260606), (168, 130303)]