21116208

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:682

約数の個数: 80

約数和(自身を含む): 58853376

約数和(自身を除く): 37737168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 31, 46, 48, 62, 69, 92, 93, 124, 138, 184, 186, 248, 276, 368, 372, 496, 552, 617, 713, 744, 1104, 1234, 1426, 1488, 1851, 2139, 2468, 2852, 3702, 4278, 4936, 5704, 7404, 8556, 9872, 11408, 14191, 14808, 17112, 19127, 28382, 29616, 34224, 38254, 42573, 56764, 57381, 76508, 85146, 113528, 114762, 153016, 170292, 227056, 229524, 306032, 340584, 439921, 459048, 681168, 879842, 918096, 1319763, 1759684, 2639526, 3519368, 5279052, 7038736, 10558104, 21116208]

約数ペア:

[(1, 21116208), (2, 10558104), (3, 7038736), (4, 5279052), (6, 3519368), (8, 2639526), (12, 1759684), (16, 1319763), (23, 918096), (24, 879842), (31, 681168), (46, 459048), (48, 439921), (62, 340584), (69, 306032), (92, 229524), (93, 227056), (124, 170292), (138, 153016), (184, 114762), (186, 113528), (248, 85146), (276, 76508), (368, 57381), (372, 56764), (496, 42573), (552, 38254), (617, 34224), (713, 29616), (744, 28382), (1104, 19127), (1234, 17112), (1426, 14808), (1488, 14191), (1851, 11408), (2139, 9872), (2468, 8556), (2852, 7404), (3702, 5704), (4278, 4936)]