21734040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1303}}^1$

素因数の和:1456

約数の個数: 64

約数和(自身を含む): 65721600

約数和(自身を除く): 43987560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1303, 1390, 1668, 2085, 2606, 2780, 3336, 3909, 4170, 5212, 5560, 6515, 7818, 8340, 10424, 13030, 15636, 16680, 19545, 26060, 31272, 39090, 52120, 78180, 156360, 181117, 362234, 543351, 724468, 905585, 1086702, 1448936, 1811170, 2173404, 2716755, 3622340, 4346808, 5433510, 7244680, 10867020, 21734040]

約数ペア:

[(1, 21734040), (2, 10867020), (3, 7244680), (4, 5433510), (5, 4346808), (6, 3622340), (8, 2716755), (10, 2173404), (12, 1811170), (15, 1448936), (20, 1086702), (24, 905585), (30, 724468), (40, 543351), (60, 362234), (120, 181117), (139, 156360), (278, 78180), (417, 52120), (556, 39090), (695, 31272), (834, 26060), (1112, 19545), (1303, 16680), (1390, 15636), (1668, 13030), (2085, 10424), (2606, 8340), (2780, 7818), (3336, 6515), (3909, 5560), (4170, 5212)]