21435272

素因数分解:

$2^3\times {\mathrm{683}}^1\times {\mathrm{3923}}^1$

素因数の和:4612

約数の個数: 16

約数和(自身を含む): 40260240

約数和(自身を除く): 18824968

約数列:

[1, 2, 4, 8, 683, 1366, 2732, 3923, 5464, 7846, 15692, 31384, 2679409, 5358818, 10717636, 21435272]

約数ペア:

[(1, 21435272), (2, 10717636), (4, 5358818), (8, 2679409), (683, 31384), (1366, 15692), (2732, 7846), (3923, 5464)]