21494484

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 63342048

約数和(自身を除く): 41847564

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 37, 44, 54, 66, 74, 81, 99, 108, 111, 132, 148, 162, 163, 198, 222, 297, 324, 326, 333, 396, 407, 444, 489, 594, 652, 666, 814, 891, 978, 999, 1188, 1221, 1332, 1467, 1628, 1782, 1793, 1956, 1998, 2442, 2934, 2997, 3564, 3586, 3663, 3996, 4401, 4884, 5379, 5868, 5994, 6031, 7172, 7326, 8802, 10758, 10989, 11988, 12062, 13203, 14652, 16137, 17604, 18093, 21516, 21978, 24124, 26406, 32274, 32967, 36186, 43956, 48411, 52812, 54279, 64548, 65934, 66341, 72372, 96822, 108558, 131868, 132682, 145233, 162837, 193644, 199023, 217116, 265364, 290466, 325674, 398046, 488511, 580932, 597069, 651348, 796092, 977022, 1194138, 1791207, 1954044, 2388276, 3582414, 5373621, 7164828, 10747242, 21494484]

約数ペア:

[(1, 21494484), (2, 10747242), (3, 7164828), (4, 5373621), (6, 3582414), (9, 2388276), (11, 1954044), (12, 1791207), (18, 1194138), (22, 977022), (27, 796092), (33, 651348), (36, 597069), (37, 580932), (44, 488511), (54, 398046), (66, 325674), (74, 290466), (81, 265364), (99, 217116), (108, 199023), (111, 193644), (132, 162837), (148, 145233), (162, 132682), (163, 131868), (198, 108558), (222, 96822), (297, 72372), (324, 66341), (326, 65934), (333, 64548), (396, 54279), (407, 52812), (444, 48411), (489, 43956), (594, 36186), (652, 32967), (666, 32274), (814, 26406), (891, 24124), (978, 21978), (999, 21516), (1188, 18093), (1221, 17604), (1332, 16137), (1467, 14652), (1628, 13203), (1782, 12062), (1793, 11988), (1956, 10989), (1998, 10758), (2442, 8802), (2934, 7326), (2997, 7172), (3564, 6031), (3586, 5994), (3663, 5868), (3996, 5379), (4401, 4884)]