21376696

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{577}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 43904880

約数和(自身を除く): 22528184

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 421, 577, 842, 1154, 1684, 2308, 3368, 4616, 4631, 6347, 9262, 12694, 18524, 25388, 37048, 50776, 242917, 485834, 971668, 1943336, 2672087, 5344174, 10688348, 21376696]

約数ペア:

[(1, 21376696), (2, 10688348), (4, 5344174), (8, 2672087), (11, 1943336), (22, 971668), (44, 485834), (88, 242917), (421, 50776), (577, 37048), (842, 25388), (1154, 18524), (1684, 12694), (2308, 9262), (3368, 6347), (4616, 4631)]