21447552

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 66585600

約数和(自身を除く): 45138048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 79, 84, 96, 101, 112, 128, 158, 168, 192, 202, 224, 237, 303, 316, 336, 384, 404, 448, 474, 553, 606, 632, 672, 707, 808, 896, 948, 1106, 1212, 1264, 1344, 1414, 1616, 1659, 1896, 2121, 2212, 2424, 2528, 2688, 2828, 3232, 3318, 3792, 4242, 4424, 4848, 5056, 5656, 6464, 6636, 7584, 7979, 8484, 8848, 9696, 10112, 11312, 12928, 13272, 15168, 15958, 16968, 17696, 19392, 22624, 23937, 26544, 30336, 31916, 33936, 35392, 38784, 45248, 47874, 53088, 55853, 63832, 67872, 70784, 90496, 95748, 106176, 111706, 127664, 135744, 167559, 191496, 212352, 223412, 255328, 271488, 335118, 382992, 446824, 510656, 670236, 765984, 893648, 1021312, 1340472, 1531968, 1787296, 2680944, 3063936, 3574592, 5361888, 7149184, 10723776, 21447552]

約数ペア:

[(1, 21447552), (2, 10723776), (3, 7149184), (4, 5361888), (6, 3574592), (7, 3063936), (8, 2680944), (12, 1787296), (14, 1531968), (16, 1340472), (21, 1021312), (24, 893648), (28, 765984), (32, 670236), (42, 510656), (48, 446824), (56, 382992), (64, 335118), (79, 271488), (84, 255328), (96, 223412), (101, 212352), (112, 191496), (128, 167559), (158, 135744), (168, 127664), (192, 111706), (202, 106176), (224, 95748), (237, 90496), (303, 70784), (316, 67872), (336, 63832), (384, 55853), (404, 53088), (448, 47874), (474, 45248), (553, 38784), (606, 35392), (632, 33936), (672, 31916), (707, 30336), (808, 26544), (896, 23937), (948, 22624), (1106, 19392), (1212, 17696), (1264, 16968), (1344, 15958), (1414, 15168), (1616, 13272), (1659, 12928), (1896, 11312), (2121, 10112), (2212, 9696), (2424, 8848), (2528, 8484), (2688, 7979), (2828, 7584), (3232, 6636), (3318, 6464), (3792, 5656), (4242, 5056), (4424, 4848)]