21221328

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23269}}^1$

素因数の和:23299

約数の個数: 40

約数和(自身を含む): 57709600

約数和(自身を除く): 36488272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 23269, 46538, 69807, 93076, 139614, 186152, 279228, 372304, 442111, 558456, 884222, 1116912, 1326333, 1768444, 2652666, 3536888, 5305332, 7073776, 10610664, 21221328]

約数ペア:

[(1, 21221328), (2, 10610664), (3, 7073776), (4, 5305332), (6, 3536888), (8, 2652666), (12, 1768444), (16, 1326333), (19, 1116912), (24, 884222), (38, 558456), (48, 442111), (57, 372304), (76, 279228), (114, 186152), (152, 139614), (228, 93076), (304, 69807), (456, 46538), (912, 23269)]