21881249642

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{7703}}^1$

素因数の和:7971

約数の個数: 64

約数和(自身を含む): 40381286400

約数和(自身を除く): 18500036758

約数列:

[1, 2, 7, 14, 19, 38, 59, 118, 133, 181, 266, 362, 413, 826, 1121, 1267, 2242, 2534, 3439, 6878, 7703, 7847, 10679, 15406, 15694, 21358, 24073, 48146, 53921, 74753, 107842, 146357, 149506, 202901, 292714, 405802, 454477, 908954, 1024499, 1394243, 1420307, 2048998, 2788486, 2840614, 3181339, 6362678, 8635063, 9759701, 17270126, 19519402, 26490617, 52981234, 60445441, 82260337, 120890882, 164520674, 185434319, 370868638, 575822359, 1151644718, 1562946403, 3125892806, 10940624821, 21881249642]

約数ペア:

[(1, 21881249642), (2, 10940624821), (7, 3125892806), (14, 1562946403), (19, 1151644718), (38, 575822359), (59, 370868638), (118, 185434319), (133, 164520674), (181, 120890882), (266, 82260337), (362, 60445441), (413, 52981234), (826, 26490617), (1121, 19519402), (1267, 17270126), (2242, 9759701), (2534, 8635063), (3439, 6362678), (6878, 3181339), (7703, 2840614), (7847, 2788486), (10679, 2048998), (15406, 1420307), (15694, 1394243), (21358, 1024499), (24073, 908954), (48146, 454477), (53921, 405802), (74753, 292714), (107842, 202901), (146357, 149506)]