21993776

素因数分解:

$2^4\times 7^1\times {\mathrm{359}}^1\times {\mathrm{547}}^1$

素因数の和:921

約数の個数: 40

約数和(自身を含む): 48925440

約数和(自身を除く): 26931664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 359, 547, 718, 1094, 1436, 2188, 2513, 2872, 3829, 4376, 5026, 5744, 7658, 8752, 10052, 15316, 20104, 30632, 40208, 61264, 196373, 392746, 785492, 1374611, 1570984, 2749222, 3141968, 5498444, 10996888, 21993776]

約数ペア:

[(1, 21993776), (2, 10996888), (4, 5498444), (7, 3141968), (8, 2749222), (14, 1570984), (16, 1374611), (28, 785492), (56, 392746), (112, 196373), (359, 61264), (547, 40208), (718, 30632), (1094, 20104), (1436, 15316), (2188, 10052), (2513, 8752), (2872, 7658), (3829, 5744), (4376, 5026)]