21167139130

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{6221}}^1$

素因数の和:6439

約数の個数: 64

約数和(自身を含む): 39780979200

約数和(自身を除く): 18613840070

約数列:

[1, 2, 5, 10, 59, 73, 79, 118, 146, 158, 295, 365, 395, 590, 730, 790, 4307, 4661, 5767, 6221, 8614, 9322, 11534, 12442, 21535, 23305, 28835, 31105, 43070, 46610, 57670, 62210, 340253, 367039, 454133, 491459, 680506, 734078, 908266, 982918, 1701265, 1835195, 2270665, 2457295, 3402530, 3670390, 4541330, 4914590, 26793847, 28996081, 35876507, 53587694, 57992162, 71753014, 133969235, 144980405, 179382535, 267938470, 289960810, 358765070, 2116713913, 4233427826, 10583569565, 21167139130]

約数ペア:

[(1, 21167139130), (2, 10583569565), (5, 4233427826), (10, 2116713913), (59, 358765070), (73, 289960810), (79, 267938470), (118, 179382535), (146, 144980405), (158, 133969235), (295, 71753014), (365, 57992162), (395, 53587694), (590, 35876507), (730, 28996081), (790, 26793847), (4307, 4914590), (4661, 4541330), (5767, 3670390), (6221, 3402530), (8614, 2457295), (9322, 2270665), (11534, 1835195), (12442, 1701265), (21535, 982918), (23305, 908266), (28835, 734078), (31105, 680506), (43070, 491459), (46610, 454133), (57670, 367039), (62210, 340253)]