21492893168

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{190243}}^1$

素因数の和:190581

約数の個数: 40

約数和(自身を含む): 43594793088

約数和(自身を除く): 22101899920

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 307, 368, 614, 1228, 2456, 4912, 7061, 14122, 28244, 56488, 112976, 190243, 380486, 760972, 1521944, 3043888, 4375589, 8751178, 17502356, 35004712, 58404601, 70009424, 116809202, 233618404, 467236808, 934473616, 1343305823, 2686611646, 5373223292, 10746446584, 21492893168]

約数ペア:

[(1, 21492893168), (2, 10746446584), (4, 5373223292), (8, 2686611646), (16, 1343305823), (23, 934473616), (46, 467236808), (92, 233618404), (184, 116809202), (307, 70009424), (368, 58404601), (614, 35004712), (1228, 17502356), (2456, 8751178), (4912, 4375589), (7061, 3043888), (14122, 1521944), (28244, 760972), (56488, 380486), (112976, 190243)]