21993576

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{367}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 60410880

約数和(自身を除く): 38417304

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 227, 264, 367, 454, 681, 734, 908, 1101, 1362, 1468, 1816, 2202, 2497, 2724, 2936, 4037, 4404, 4994, 5448, 7491, 8074, 8808, 9988, 12111, 14982, 16148, 19976, 24222, 29964, 32296, 48444, 59928, 83309, 96888, 166618, 249927, 333236, 499854, 666472, 916399, 999708, 1832798, 1999416, 2749197, 3665596, 5498394, 7331192, 10996788, 21993576]

約数ペア:

[(1, 21993576), (2, 10996788), (3, 7331192), (4, 5498394), (6, 3665596), (8, 2749197), (11, 1999416), (12, 1832798), (22, 999708), (24, 916399), (33, 666472), (44, 499854), (66, 333236), (88, 249927), (132, 166618), (227, 96888), (264, 83309), (367, 59928), (454, 48444), (681, 32296), (734, 29964), (908, 24222), (1101, 19976), (1362, 16148), (1468, 14982), (1816, 12111), (2202, 9988), (2497, 8808), (2724, 8074), (2936, 7491), (4037, 5448), (4404, 4994)]