21764344

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7333}}^1$

素因数の和:7399

約数の個数: 32

約数和(自身を含む): 47524320

約数和(自身を除く): 25759976

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7333, 14666, 29332, 51331, 58664, 102662, 205324, 388649, 410648, 777298, 1554596, 2720543, 3109192, 5441086, 10882172, 21764344]

約数ペア:

[(1, 21764344), (2, 10882172), (4, 5441086), (7, 3109192), (8, 2720543), (14, 1554596), (28, 777298), (53, 410648), (56, 388649), (106, 205324), (212, 102662), (371, 58664), (424, 51331), (742, 29332), (1484, 14666), (2968, 7333)]