21729960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8623}}^1$

素因数の和:8647

約数の個数: 96

約数和(自身を含む): 80720640

約数和(自身を除く): 58990680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8623, 17246, 25869, 34492, 43115, 51738, 60361, 68984, 77607, 86230, 103476, 120722, 129345, 155214, 172460, 181083, 206952, 241444, 258690, 301805, 310428, 344920, 362166, 388035, 482888, 517380, 543249, 603610, 620856, 724332, 776070, 905415, 1034760, 1086498, 1207220, 1448664, 1552140, 1810830, 2172996, 2414440, 2716245, 3104280, 3621660, 4345992, 5432490, 7243320, 10864980, 21729960]

約数ペア:

[(1, 21729960), (2, 10864980), (3, 7243320), (4, 5432490), (5, 4345992), (6, 3621660), (7, 3104280), (8, 2716245), (9, 2414440), (10, 2172996), (12, 1810830), (14, 1552140), (15, 1448664), (18, 1207220), (20, 1086498), (21, 1034760), (24, 905415), (28, 776070), (30, 724332), (35, 620856), (36, 603610), (40, 543249), (42, 517380), (45, 482888), (56, 388035), (60, 362166), (63, 344920), (70, 310428), (72, 301805), (84, 258690), (90, 241444), (105, 206952), (120, 181083), (126, 172460), (140, 155214), (168, 129345), (180, 120722), (210, 103476), (252, 86230), (280, 77607), (315, 68984), (360, 60361), (420, 51738), (504, 43115), (630, 34492), (840, 25869), (1260, 17246), (2520, 8623)]