21542040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4603}}^1$

素因数の和:4633

約数の個数: 96

約数和(自身を含む): 75413520

約数和(自身を除く): 53871480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4603, 4680, 9206, 13809, 18412, 23015, 27618, 36824, 41427, 46030, 55236, 59839, 69045, 82854, 92060, 110472, 119678, 138090, 165708, 179517, 184120, 207135, 239356, 276180, 299195, 331416, 359034, 414270, 478712, 538551, 552360, 598390, 718068, 828540, 897585, 1077102, 1196780, 1436136, 1657080, 1795170, 2154204, 2393560, 2692755, 3590340, 4308408, 5385510, 7180680, 10771020, 21542040]

約数ペア:

[(1, 21542040), (2, 10771020), (3, 7180680), (4, 5385510), (5, 4308408), (6, 3590340), (8, 2692755), (9, 2393560), (10, 2154204), (12, 1795170), (13, 1657080), (15, 1436136), (18, 1196780), (20, 1077102), (24, 897585), (26, 828540), (30, 718068), (36, 598390), (39, 552360), (40, 538551), (45, 478712), (52, 414270), (60, 359034), (65, 331416), (72, 299195), (78, 276180), (90, 239356), (104, 207135), (117, 184120), (120, 179517), (130, 165708), (156, 138090), (180, 119678), (195, 110472), (234, 92060), (260, 82854), (312, 69045), (360, 59839), (390, 55236), (468, 46030), (520, 41427), (585, 36824), (780, 27618), (936, 23015), (1170, 18412), (1560, 13809), (2340, 9206), (4603, 4680)]