21090264

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2939}}^1$

素因数の和:2984

約数の個数: 64

約数和(自身を含む): 59270400

約数和(自身を除く): 38180136

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 2939, 3588, 5878, 7176, 8817, 11756, 17634, 23512, 35268, 38207, 67597, 70536, 76414, 114621, 135194, 152828, 202791, 229242, 270388, 305656, 405582, 458484, 540776, 811164, 878761, 916968, 1622328, 1757522, 2636283, 3515044, 5272566, 7030088, 10545132, 21090264]

約数ペア:

[(1, 21090264), (2, 10545132), (3, 7030088), (4, 5272566), (6, 3515044), (8, 2636283), (12, 1757522), (13, 1622328), (23, 916968), (24, 878761), (26, 811164), (39, 540776), (46, 458484), (52, 405582), (69, 305656), (78, 270388), (92, 229242), (104, 202791), (138, 152828), (156, 135194), (184, 114621), (276, 76414), (299, 70536), (312, 67597), (552, 38207), (598, 35268), (897, 23512), (1196, 17634), (1794, 11756), (2392, 8817), (2939, 7176), (3588, 5878)]