21050016

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:294

約数の個数: 96

約数和(自身を含む): 60455808

約数和(自身を除く): 39405792

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 101, 104, 156, 167, 202, 208, 303, 312, 334, 404, 416, 501, 606, 624, 668, 808, 1002, 1212, 1248, 1313, 1336, 1616, 2004, 2171, 2424, 2626, 2672, 3232, 3939, 4008, 4342, 4848, 5252, 5344, 6513, 7878, 8016, 8684, 9696, 10504, 13026, 15756, 16032, 16867, 17368, 21008, 26052, 31512, 33734, 34736, 42016, 50601, 52104, 63024, 67468, 69472, 101202, 104208, 126048, 134936, 202404, 208416, 219271, 269872, 404808, 438542, 539744, 657813, 809616, 877084, 1315626, 1619232, 1754168, 2631252, 3508336, 5262504, 7016672, 10525008, 21050016]

約数ペア:

[(1, 21050016), (2, 10525008), (3, 7016672), (4, 5262504), (6, 3508336), (8, 2631252), (12, 1754168), (13, 1619232), (16, 1315626), (24, 877084), (26, 809616), (32, 657813), (39, 539744), (48, 438542), (52, 404808), (78, 269872), (96, 219271), (101, 208416), (104, 202404), (156, 134936), (167, 126048), (202, 104208), (208, 101202), (303, 69472), (312, 67468), (334, 63024), (404, 52104), (416, 50601), (501, 42016), (606, 34736), (624, 33734), (668, 31512), (808, 26052), (1002, 21008), (1212, 17368), (1248, 16867), (1313, 16032), (1336, 15756), (1616, 13026), (2004, 10504), (2171, 9696), (2424, 8684), (2626, 8016), (2672, 7878), (3232, 6513), (3939, 5344), (4008, 5252), (4342, 4848)]