21906608

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1873}}^1$

素因数の和:1941

約数の個数: 40

約数和(自身を含む): 46010448

約数和(自身を除く): 24103840

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 1462, 1873, 2924, 3746, 5848, 7492, 11696, 14984, 29968, 31841, 63682, 80539, 127364, 161078, 254728, 322156, 509456, 644312, 1288624, 1369163, 2738326, 5476652, 10953304, 21906608]

約数ペア:

[(1, 21906608), (2, 10953304), (4, 5476652), (8, 2738326), (16, 1369163), (17, 1288624), (34, 644312), (43, 509456), (68, 322156), (86, 254728), (136, 161078), (172, 127364), (272, 80539), (344, 63682), (688, 31841), (731, 29968), (1462, 14984), (1873, 11696), (2924, 7492), (3746, 5848)]