21601722

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 44222400

約数和(自身を除く): 22620678

約数列:

[1, 2, 3, 6, 73, 146, 149, 219, 298, 331, 438, 447, 662, 894, 993, 1986, 10877, 21754, 24163, 32631, 48326, 49319, 65262, 72489, 98638, 144978, 147957, 295914, 3600287, 7200574, 10800861, 21601722]

約数ペア:

[(1, 21601722), (2, 10800861), (3, 7200574), (6, 3600287), (73, 295914), (146, 147957), (149, 144978), (219, 98638), (298, 72489), (331, 65262), (438, 49319), (447, 48326), (662, 32631), (894, 24163), (993, 21754), (1986, 10877)]