21161928

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{23831}}^1$

素因数の和:23877

約数の個数: 32

約数和(自身を含む): 54336960

約数和(自身を除く): 33175032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 23831, 47662, 71493, 95324, 142986, 190648, 285972, 571944, 881747, 1763494, 2645241, 3526988, 5290482, 7053976, 10580964, 21161928]

約数ペア:

[(1, 21161928), (2, 10580964), (3, 7053976), (4, 5290482), (6, 3526988), (8, 2645241), (12, 1763494), (24, 881747), (37, 571944), (74, 285972), (111, 190648), (148, 142986), (222, 95324), (296, 71493), (444, 47662), (888, 23831)]