21779328

素因数分解:

$2^7\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1319}}^1$

素因数の和:1379

約数の個数: 64

約数和(自身を含む): 59241600

約数和(自身を除く): 37462272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 258, 344, 384, 516, 688, 1032, 1319, 1376, 2064, 2638, 2752, 3957, 4128, 5276, 5504, 7914, 8256, 10552, 15828, 16512, 21104, 31656, 42208, 56717, 63312, 84416, 113434, 126624, 168832, 170151, 226868, 253248, 340302, 453736, 506496, 680604, 907472, 1361208, 1814944, 2722416, 3629888, 5444832, 7259776, 10889664, 21779328]

約数ペア:

[(1, 21779328), (2, 10889664), (3, 7259776), (4, 5444832), (6, 3629888), (8, 2722416), (12, 1814944), (16, 1361208), (24, 907472), (32, 680604), (43, 506496), (48, 453736), (64, 340302), (86, 253248), (96, 226868), (128, 170151), (129, 168832), (172, 126624), (192, 113434), (258, 84416), (344, 63312), (384, 56717), (516, 42208), (688, 31656), (1032, 21104), (1319, 16512), (1376, 15828), (2064, 10552), (2638, 8256), (2752, 7914), (3957, 5504), (4128, 5276)]