21235248

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:183

約数の個数: 120

約数和(自身を含む): 63138816

約数和(自身を除く): 41903568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 67, 71, 72, 93, 124, 134, 142, 144, 186, 201, 213, 248, 268, 279, 284, 372, 402, 426, 496, 536, 558, 568, 603, 639, 744, 804, 852, 1072, 1116, 1136, 1206, 1278, 1488, 1608, 1704, 2077, 2201, 2232, 2412, 2556, 3216, 3408, 4154, 4402, 4464, 4757, 4824, 5112, 6231, 6603, 8308, 8804, 9514, 9648, 10224, 12462, 13206, 14271, 16616, 17608, 18693, 19028, 19809, 24924, 26412, 28542, 33232, 35216, 37386, 38056, 39618, 42813, 49848, 52824, 57084, 74772, 76112, 79236, 85626, 99696, 105648, 114168, 147467, 149544, 158472, 171252, 228336, 294934, 299088, 316944, 342504, 442401, 589868, 685008, 884802, 1179736, 1327203, 1769604, 2359472, 2654406, 3539208, 5308812, 7078416, 10617624, 21235248]

約数ペア:

[(1, 21235248), (2, 10617624), (3, 7078416), (4, 5308812), (6, 3539208), (8, 2654406), (9, 2359472), (12, 1769604), (16, 1327203), (18, 1179736), (24, 884802), (31, 685008), (36, 589868), (48, 442401), (62, 342504), (67, 316944), (71, 299088), (72, 294934), (93, 228336), (124, 171252), (134, 158472), (142, 149544), (144, 147467), (186, 114168), (201, 105648), (213, 99696), (248, 85626), (268, 79236), (279, 76112), (284, 74772), (372, 57084), (402, 52824), (426, 49848), (496, 42813), (536, 39618), (558, 38056), (568, 37386), (603, 35216), (639, 33232), (744, 28542), (804, 26412), (852, 24924), (1072, 19809), (1116, 19028), (1136, 18693), (1206, 17608), (1278, 16616), (1488, 14271), (1608, 13206), (1704, 12462), (2077, 10224), (2201, 9648), (2232, 9514), (2412, 8804), (2556, 8308), (3216, 6603), (3408, 6231), (4154, 5112), (4402, 4824), (4464, 4757)]