21227616

素因数分解:

$2^5\times 3^3\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 41671584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 79, 96, 108, 144, 158, 216, 237, 288, 311, 316, 432, 474, 622, 632, 711, 864, 933, 948, 1244, 1264, 1422, 1866, 1896, 2133, 2488, 2528, 2799, 2844, 3732, 3792, 4266, 4976, 5598, 5688, 7464, 7584, 8397, 8532, 9952, 11196, 11376, 14928, 16794, 17064, 22392, 22752, 24569, 29856, 33588, 34128, 44784, 49138, 67176, 68256, 73707, 89568, 98276, 134352, 147414, 196552, 221121, 268704, 294828, 393104, 442242, 589656, 663363, 786208, 884484, 1179312, 1326726, 1768968, 2358624, 2653452, 3537936, 5306904, 7075872, 10613808, 21227616]

約数ペア:

[(1, 21227616), (2, 10613808), (3, 7075872), (4, 5306904), (6, 3537936), (8, 2653452), (9, 2358624), (12, 1768968), (16, 1326726), (18, 1179312), (24, 884484), (27, 786208), (32, 663363), (36, 589656), (48, 442242), (54, 393104), (72, 294828), (79, 268704), (96, 221121), (108, 196552), (144, 147414), (158, 134352), (216, 98276), (237, 89568), (288, 73707), (311, 68256), (316, 67176), (432, 49138), (474, 44784), (622, 34128), (632, 33588), (711, 29856), (864, 24569), (933, 22752), (948, 22392), (1244, 17064), (1264, 16794), (1422, 14928), (1866, 11376), (1896, 11196), (2133, 9952), (2488, 8532), (2528, 8397), (2799, 7584), (2844, 7464), (3732, 5688), (3792, 5598), (4266, 4976)]