21452328

素因数分解:

$2^3\times 3^2\times {\mathrm{67}}^1\times {\mathrm{4447}}^1$

素因数の和:4526

約数の個数: 48

約数和(自身を含む): 58980480

約数和(自身を除く): 37528152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 67, 72, 134, 201, 268, 402, 536, 603, 804, 1206, 1608, 2412, 4447, 4824, 8894, 13341, 17788, 26682, 35576, 40023, 53364, 80046, 106728, 160092, 297949, 320184, 595898, 893847, 1191796, 1787694, 2383592, 2681541, 3575388, 5363082, 7150776, 10726164, 21452328]

約数ペア:

[(1, 21452328), (2, 10726164), (3, 7150776), (4, 5363082), (6, 3575388), (8, 2681541), (9, 2383592), (12, 1787694), (18, 1191796), (24, 893847), (36, 595898), (67, 320184), (72, 297949), (134, 160092), (201, 106728), (268, 80046), (402, 53364), (536, 40023), (603, 35576), (804, 26682), (1206, 17788), (1608, 13341), (2412, 8894), (4447, 4824)]