21436501600

素因数分解:

$2^5\times 5^2\times {\mathrm{827}}^1\times {\mathrm{32401}}^1$

素因数の和:33248

約数の個数: 72

約数和(自身を含む): 52396755768

約数和(自身を除く): 30960254168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 827, 1654, 3308, 4135, 6616, 8270, 13232, 16540, 20675, 26464, 32401, 33080, 41350, 64802, 66160, 82700, 129604, 132320, 162005, 165400, 259208, 324010, 330800, 518416, 648020, 661600, 810025, 1036832, 1296040, 1620050, 2592080, 3240100, 5184160, 6480200, 12960400, 25920800, 26795627, 53591254, 107182508, 133978135, 214365016, 267956270, 428730032, 535912540, 669890675, 857460064, 1071825080, 1339781350, 2143650160, 2679562700, 4287300320, 5359125400, 10718250800, 21436501600]

約数ペア:

[(1, 21436501600), (2, 10718250800), (4, 5359125400), (5, 4287300320), (8, 2679562700), (10, 2143650160), (16, 1339781350), (20, 1071825080), (25, 857460064), (32, 669890675), (40, 535912540), (50, 428730032), (80, 267956270), (100, 214365016), (160, 133978135), (200, 107182508), (400, 53591254), (800, 26795627), (827, 25920800), (1654, 12960400), (3308, 6480200), (4135, 5184160), (6616, 3240100), (8270, 2592080), (13232, 1620050), (16540, 1296040), (20675, 1036832), (26464, 810025), (32401, 661600), (33080, 648020), (41350, 518416), (64802, 330800), (66160, 324010), (82700, 259208), (129604, 165400), (132320, 162005)]