21969840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{91541}}^1$

素因数の和:91557

約数の個数: 40

約数和(自身を含む): 68107248

約数和(自身を除く): 46137408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 91541, 183082, 274623, 366164, 457705, 549246, 732328, 915410, 1098492, 1373115, 1464656, 1830820, 2196984, 2746230, 3661640, 4393968, 5492460, 7323280, 10984920, 21969840]

約数ペア:

[(1, 21969840), (2, 10984920), (3, 7323280), (4, 5492460), (5, 4393968), (6, 3661640), (8, 2746230), (10, 2196984), (12, 1830820), (15, 1464656), (16, 1373115), (20, 1098492), (24, 915410), (30, 732328), (40, 549246), (48, 457705), (60, 366164), (80, 274623), (120, 183082), (240, 91541)]