21472017984

素因数分解:

$2^6\times 3^2\times {\mathrm{79}}^1\times {\mathrm{471871}}^1$

素因数の和:471968

約数の個数: 84

約数和(自身を含む): 62324853760

約数和(自身を除く): 40852835776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 79, 96, 144, 158, 192, 237, 288, 316, 474, 576, 632, 711, 948, 1264, 1422, 1896, 2528, 2844, 3792, 5056, 5688, 7584, 11376, 15168, 22752, 45504, 471871, 943742, 1415613, 1887484, 2831226, 3774968, 4246839, 5662452, 7549936, 8493678, 11324904, 15099872, 16987356, 22649808, 30199744, 33974712, 37277809, 45299616, 67949424, 74555618, 90599232, 111833427, 135898848, 149111236, 223666854, 271797696, 298222472, 335500281, 447333708, 596444944, 671000562, 894667416, 1192889888, 1342001124, 1789334832, 2385779776, 2684002248, 3578669664, 5368004496, 7157339328, 10736008992, 21472017984]

約数ペア:

[(1, 21472017984), (2, 10736008992), (3, 7157339328), (4, 5368004496), (6, 3578669664), (8, 2684002248), (9, 2385779776), (12, 1789334832), (16, 1342001124), (18, 1192889888), (24, 894667416), (32, 671000562), (36, 596444944), (48, 447333708), (64, 335500281), (72, 298222472), (79, 271797696), (96, 223666854), (144, 149111236), (158, 135898848), (192, 111833427), (237, 90599232), (288, 74555618), (316, 67949424), (474, 45299616), (576, 37277809), (632, 33974712), (711, 30199744), (948, 22649808), (1264, 16987356), (1422, 15099872), (1896, 11324904), (2528, 8493678), (2844, 7549936), (3792, 5662452), (5056, 4246839), (5688, 3774968), (7584, 2831226), (11376, 1887484), (15168, 1415613), (22752, 943742), (45504, 471871)]