21470988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1267

約数の個数: 96

約数和(自身を含む): 65802240

約数和(自身を除く): 44331252

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 19, 21, 22, 28, 33, 38, 42, 44, 57, 66, 76, 77, 84, 114, 132, 133, 154, 209, 228, 231, 266, 308, 399, 418, 462, 532, 627, 798, 836, 924, 1223, 1254, 1463, 1596, 2446, 2508, 2926, 3669, 4389, 4892, 5852, 7338, 8561, 8778, 13453, 14676, 17122, 17556, 23237, 25683, 26906, 34244, 40359, 46474, 51366, 53812, 69711, 80718, 92948, 94171, 102732, 139422, 161436, 162659, 188342, 255607, 278844, 282513, 325318, 376684, 487977, 511214, 565026, 650636, 766821, 975954, 1022428, 1130052, 1533642, 1789249, 1951908, 3067284, 3578498, 5367747, 7156996, 10735494, 21470988]

約数ペア:

[(1, 21470988), (2, 10735494), (3, 7156996), (4, 5367747), (6, 3578498), (7, 3067284), (11, 1951908), (12, 1789249), (14, 1533642), (19, 1130052), (21, 1022428), (22, 975954), (28, 766821), (33, 650636), (38, 565026), (42, 511214), (44, 487977), (57, 376684), (66, 325318), (76, 282513), (77, 278844), (84, 255607), (114, 188342), (132, 162659), (133, 161436), (154, 139422), (209, 102732), (228, 94171), (231, 92948), (266, 80718), (308, 69711), (399, 53812), (418, 51366), (462, 46474), (532, 40359), (627, 34244), (798, 26906), (836, 25683), (924, 23237), (1223, 17556), (1254, 17122), (1463, 14676), (1596, 13453), (2446, 8778), (2508, 8561), (2926, 7338), (3669, 5852), (4389, 4892)]