21509568

素因数分解:

$2^6\times 3^2\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:474

約数の個数: 84

約数和(自身を含む): 62407800

約数和(自身を除く): 40898232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 107, 144, 192, 214, 288, 321, 349, 428, 576, 642, 698, 856, 963, 1047, 1284, 1396, 1712, 1926, 2094, 2568, 2792, 3141, 3424, 3852, 4188, 5136, 5584, 6282, 6848, 7704, 8376, 10272, 11168, 12564, 15408, 16752, 20544, 22336, 25128, 30816, 33504, 37343, 50256, 61632, 67008, 74686, 100512, 112029, 149372, 201024, 224058, 298744, 336087, 448116, 597488, 672174, 896232, 1194976, 1344348, 1792464, 2389952, 2688696, 3584928, 5377392, 7169856, 10754784, 21509568]

約数ペア:

[(1, 21509568), (2, 10754784), (3, 7169856), (4, 5377392), (6, 3584928), (8, 2688696), (9, 2389952), (12, 1792464), (16, 1344348), (18, 1194976), (24, 896232), (32, 672174), (36, 597488), (48, 448116), (64, 336087), (72, 298744), (96, 224058), (107, 201024), (144, 149372), (192, 112029), (214, 100512), (288, 74686), (321, 67008), (349, 61632), (428, 50256), (576, 37343), (642, 33504), (698, 30816), (856, 25128), (963, 22336), (1047, 20544), (1284, 16752), (1396, 15408), (1712, 12564), (1926, 11168), (2094, 10272), (2568, 8376), (2792, 7704), (3141, 6848), (3424, 6282), (3852, 5584), (4188, 5136)]