21998224

素因数分解:

$2^4\times {\mathrm{787}}^1\times {\mathrm{1747}}^1$

素因数の和:2542

約数の個数: 20

約数和(自身を含む): 42700144

約数和(自身を除く): 20701920

約数列:

[1, 2, 4, 8, 16, 787, 1574, 1747, 3148, 3494, 6296, 6988, 12592, 13976, 27952, 1374889, 2749778, 5499556, 10999112, 21998224]

約数ペア:

[(1, 21998224), (2, 10999112), (4, 5499556), (8, 2749778), (16, 1374889), (787, 27952), (1574, 13976), (1747, 12592), (3148, 6988), (3494, 6296)]