21299156632

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1\times {\mathrm{3347}}^1$

素因数の和:4832

約数の個数: 64

約数和(自身を含む): 44052180480

約数和(自身を除く): 22753023848

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 1423, 2236, 2846, 3347, 4472, 5692, 6694, 11384, 13388, 18499, 26776, 36998, 43511, 61189, 73996, 87022, 122378, 143921, 147992, 174044, 244756, 287842, 348088, 489512, 575684, 795457, 1151368, 1590914, 1870973, 3181828, 3741946, 4762781, 6363656, 7483892, 9525562, 14967784, 19051124, 38102248, 61916153, 123832306, 204799583, 247664612, 409599166, 495329224, 819198332, 1638396664, 2662394579, 5324789158, 10649578316, 21299156632]

約数ペア:

[(1, 21299156632), (2, 10649578316), (4, 5324789158), (8, 2662394579), (13, 1638396664), (26, 819198332), (43, 495329224), (52, 409599166), (86, 247664612), (104, 204799583), (172, 123832306), (344, 61916153), (559, 38102248), (1118, 19051124), (1423, 14967784), (2236, 9525562), (2846, 7483892), (3347, 6363656), (4472, 4762781), (5692, 3741946), (6694, 3181828), (11384, 1870973), (13388, 1590914), (18499, 1151368), (26776, 795457), (36998, 575684), (43511, 489512), (61189, 348088), (73996, 287842), (87022, 244756), (122378, 174044), (143921, 147992)]