21231112

素因数分解:

$2^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 47473020

約数和(自身を除く): 26241908

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 82, 98, 164, 196, 287, 328, 392, 574, 1148, 1321, 2009, 2296, 2642, 4018, 5284, 8036, 9247, 10568, 16072, 18494, 36988, 54161, 64729, 73976, 108322, 129458, 216644, 258916, 379127, 433288, 517832, 758254, 1516508, 2653889, 3033016, 5307778, 10615556, 21231112]

約数ペア:

[(1, 21231112), (2, 10615556), (4, 5307778), (7, 3033016), (8, 2653889), (14, 1516508), (28, 758254), (41, 517832), (49, 433288), (56, 379127), (82, 258916), (98, 216644), (164, 129458), (196, 108322), (287, 73976), (328, 64729), (392, 54161), (574, 36988), (1148, 18494), (1321, 16072), (2009, 10568), (2296, 9247), (2642, 8036), (4018, 5284)]