21503568

素因数分解:

$2^4\times 3^1\times {\mathrm{447991}}^1$

素因数の和:448002

約数の個数: 20

約数和(自身を含む): 55551008

約数和(自身を除く): 34047440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 447991, 895982, 1343973, 1791964, 2687946, 3583928, 5375892, 7167856, 10751784, 21503568]

約数ペア:

[(1, 21503568), (2, 10751784), (3, 7167856), (4, 5375892), (6, 3583928), (8, 2687946), (12, 1791964), (16, 1343973), (24, 895982), (48, 447991)]