21229936

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2083}}^1$

素因数の和:2118

約数の個数: 60

約数和(自身を含む): 51553992

約数和(自身を除く): 30324056

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, 2083, 2548, 4166, 5096, 8332, 10192, 14581, 16664, 27079, 29162, 33328, 54158, 58324, 102067, 108316, 116648, 189553, 204134, 216632, 233296, 379106, 408268, 433264, 758212, 816536, 1326871, 1516424, 1633072, 2653742, 3032848, 5307484, 10614968, 21229936]

約数ペア:

[(1, 21229936), (2, 10614968), (4, 5307484), (7, 3032848), (8, 2653742), (13, 1633072), (14, 1516424), (16, 1326871), (26, 816536), (28, 758212), (49, 433264), (52, 408268), (56, 379106), (91, 233296), (98, 216632), (104, 204134), (112, 189553), (182, 116648), (196, 108316), (208, 102067), (364, 58324), (392, 54158), (637, 33328), (728, 29162), (784, 27079), (1274, 16664), (1456, 14581), (2083, 10192), (2548, 8332), (4166, 5096)]