21167309880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{321301}}^1$

素因数の和:321382

約数の個数: 128

約数和(自身を含む): 71714606400

約数和(自身を除く): 50547296520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 2196, 2440, 2745, 3294, 3660, 4392, 5490, 6588, 7320, 8235, 10980, 13176, 16470, 21960, 32940, 65880, 321301, 642602, 963903, 1285204, 1606505, 1927806, 2570408, 2891709, 3213010, 3855612, 4819515, 5783418, 6426020, 7711224, 8675127, 9639030, 11566836, 12852040, 14458545, 17350254, 19278060, 19599361, 23133672, 28917090, 34700508, 38556120, 39198722, 43375635, 57834180, 58798083, 69401016, 78397444, 86751270, 97996805, 115668360, 117596166, 156794888, 173502540, 176394249, 195993610, 235192332, 293990415, 347005080, 352788498, 391987220, 470384664, 529182747, 587980830, 705576996, 783974440, 881971245, 1058365494, 1175961660, 1411153992, 1763942490, 2116730988, 2351923320, 2645913735, 3527884980, 4233461976, 5291827470, 7055769960, 10583654940, 21167309880]

約数ペア:

[(1, 21167309880), (2, 10583654940), (3, 7055769960), (4, 5291827470), (5, 4233461976), (6, 3527884980), (8, 2645913735), (9, 2351923320), (10, 2116730988), (12, 1763942490), (15, 1411153992), (18, 1175961660), (20, 1058365494), (24, 881971245), (27, 783974440), (30, 705576996), (36, 587980830), (40, 529182747), (45, 470384664), (54, 391987220), (60, 352788498), (61, 347005080), (72, 293990415), (90, 235192332), (108, 195993610), (120, 176394249), (122, 173502540), (135, 156794888), (180, 117596166), (183, 115668360), (216, 97996805), (244, 86751270), (270, 78397444), (305, 69401016), (360, 58798083), (366, 57834180), (488, 43375635), (540, 39198722), (549, 38556120), (610, 34700508), (732, 28917090), (915, 23133672), (1080, 19599361), (1098, 19278060), (1220, 17350254), (1464, 14458545), (1647, 12852040), (1830, 11566836), (2196, 9639030), (2440, 8675127), (2745, 7711224), (3294, 6426020), (3660, 5783418), (4392, 4819515), (5490, 3855612), (6588, 3213010), (7320, 2891709), (8235, 2570408), (10980, 1927806), (13176, 1606505), (16470, 1285204), (21960, 963903), (32940, 642602), (65880, 321301)]