21532156974

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{626627}}^1$

素因数の和:626741

約数の個数: 48

約数和(自身を含む): 49267999872

約数和(自身を除く): 27735842898

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 83, 138, 166, 207, 249, 414, 498, 747, 1494, 1909, 3818, 5727, 11454, 17181, 34362, 626627, 1253254, 1879881, 3759762, 5639643, 11279286, 14412421, 28824842, 43237263, 52010041, 86474526, 104020082, 129711789, 156030123, 259423578, 312060246, 468090369, 936180738, 1196230943, 2392461886, 3588692829, 7177385658, 10766078487, 21532156974]

約数ペア:

[(1, 21532156974), (2, 10766078487), (3, 7177385658), (6, 3588692829), (9, 2392461886), (18, 1196230943), (23, 936180738), (46, 468090369), (69, 312060246), (83, 259423578), (138, 156030123), (166, 129711789), (207, 104020082), (249, 86474526), (414, 52010041), (498, 43237263), (747, 28824842), (1494, 14412421), (1909, 11279286), (3818, 5639643), (5727, 3759762), (11454, 1879881), (17181, 1253254), (34362, 626627)]