21907968

素因数分解:

$2^9\times 3^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:877

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 39963072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 512, 544, 768, 816, 839, 1088, 1536, 1632, 1678, 2176, 2517, 3264, 3356, 4352, 5034, 6528, 6712, 8704, 10068, 13056, 13424, 14263, 20136, 26112, 26848, 28526, 40272, 42789, 53696, 57052, 80544, 85578, 107392, 114104, 161088, 171156, 214784, 228208, 322176, 342312, 429568, 456416, 644352, 684624, 912832, 1288704, 1369248, 1825664, 2738496, 3651328, 5476992, 7302656, 10953984, 21907968]

約数ペア:

[(1, 21907968), (2, 10953984), (3, 7302656), (4, 5476992), (6, 3651328), (8, 2738496), (12, 1825664), (16, 1369248), (17, 1288704), (24, 912832), (32, 684624), (34, 644352), (48, 456416), (51, 429568), (64, 342312), (68, 322176), (96, 228208), (102, 214784), (128, 171156), (136, 161088), (192, 114104), (204, 107392), (256, 85578), (272, 80544), (384, 57052), (408, 53696), (512, 42789), (544, 40272), (768, 28526), (816, 26848), (839, 26112), (1088, 20136), (1536, 14263), (1632, 13424), (1678, 13056), (2176, 10068), (2517, 8704), (3264, 6712), (3356, 6528), (4352, 5034)]