21591384

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12671}}^1$

素因数の和:12751

約数の個数: 32

約数和(自身を含む): 54743040

約数和(自身を除く): 33151656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12671, 25342, 38013, 50684, 76026, 101368, 152052, 304104, 899641, 1799282, 2698923, 3598564, 5397846, 7197128, 10795692, 21591384]

約数ペア:

[(1, 21591384), (2, 10795692), (3, 7197128), (4, 5397846), (6, 3598564), (8, 2698923), (12, 1799282), (24, 899641), (71, 304104), (142, 152052), (213, 101368), (284, 76026), (426, 50684), (568, 38013), (852, 25342), (1704, 12671)]