21629878

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 35094528

約数和(自身を除く): 13464650

約数列:

[1, 2, 31, 41, 62, 67, 82, 127, 134, 254, 1271, 2077, 2542, 2747, 3937, 4154, 5207, 5494, 7874, 8509, 10414, 17018, 85157, 161417, 170314, 263779, 322834, 348869, 527558, 697738, 10814939, 21629878]

約数ペア:

[(1, 21629878), (2, 10814939), (31, 697738), (41, 527558), (62, 348869), (67, 322834), (82, 263779), (127, 170314), (134, 161417), (254, 85157), (1271, 17018), (2077, 10414), (2542, 8509), (2747, 7874), (3937, 5494), (4154, 5207)]