21881944

素因数分解:

$2^3\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1031}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 47059200

約数和(自身を除く): 25177256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 379, 758, 1031, 1516, 2062, 2653, 3032, 4124, 5306, 7217, 8248, 10612, 14434, 21224, 28868, 57736, 390749, 781498, 1562996, 2735243, 3125992, 5470486, 10940972, 21881944]

約数ペア:

[(1, 21881944), (2, 10940972), (4, 5470486), (7, 3125992), (8, 2735243), (14, 1562996), (28, 781498), (56, 390749), (379, 57736), (758, 28868), (1031, 21224), (1516, 14434), (2062, 10612), (2653, 8248), (3032, 7217), (4124, 5306)]