21535696

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2113}}^1$

素因数の和:2148

約数の個数: 60

約数和(自身を含む): 52296132

約数和(自身を除く): 30760436

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2113, 2548, 4226, 5096, 8452, 10192, 14791, 16904, 27469, 29582, 33808, 54938, 59164, 103537, 109876, 118328, 192283, 207074, 219752, 236656, 384566, 414148, 439504, 769132, 828296, 1345981, 1538264, 1656592, 2691962, 3076528, 5383924, 10767848, 21535696]

約数ペア:

[(1, 21535696), (2, 10767848), (4, 5383924), (7, 3076528), (8, 2691962), (13, 1656592), (14, 1538264), (16, 1345981), (26, 828296), (28, 769132), (49, 439504), (52, 414148), (56, 384566), (91, 236656), (98, 219752), (104, 207074), (112, 192283), (182, 118328), (196, 109876), (208, 103537), (364, 59164), (392, 54938), (637, 33808), (728, 29582), (784, 27469), (1274, 16904), (1456, 14791), (2113, 10192), (2548, 8452), (4226, 5096)]