21085296

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 57853440

約数和(自身を除く): 36768144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 71, 92, 138, 142, 184, 213, 269, 276, 284, 368, 426, 538, 552, 568, 807, 852, 1076, 1104, 1136, 1614, 1633, 1704, 2152, 3228, 3266, 3408, 4304, 4899, 6187, 6456, 6532, 9798, 12374, 12912, 13064, 18561, 19099, 19596, 24748, 26128, 37122, 38198, 39192, 49496, 57297, 74244, 76396, 78384, 98992, 114594, 148488, 152792, 229188, 296976, 305584, 439277, 458376, 878554, 916752, 1317831, 1757108, 2635662, 3514216, 5271324, 7028432, 10542648, 21085296]

約数ペア:

[(1, 21085296), (2, 10542648), (3, 7028432), (4, 5271324), (6, 3514216), (8, 2635662), (12, 1757108), (16, 1317831), (23, 916752), (24, 878554), (46, 458376), (48, 439277), (69, 305584), (71, 296976), (92, 229188), (138, 152792), (142, 148488), (184, 114594), (213, 98992), (269, 78384), (276, 76396), (284, 74244), (368, 57297), (426, 49496), (538, 39192), (552, 38198), (568, 37122), (807, 26128), (852, 24748), (1076, 19596), (1104, 19099), (1136, 18561), (1614, 13064), (1633, 12912), (1704, 12374), (2152, 9798), (3228, 6532), (3266, 6456), (3408, 6187), (4304, 4899)]