21371019424

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{4639}}^1\times {\mathrm{7577}}^1$

素因数の和:12245

約数の個数: 48

約数和(自身を含む): 44304019200

約数和(自身を除く): 22932999776

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 4639, 7577, 9278, 15154, 18556, 30308, 37112, 60616, 74224, 88141, 121232, 143963, 148448, 176282, 242464, 287926, 352564, 575852, 705128, 1151704, 1410256, 2303408, 2820512, 4606816, 35149703, 70299406, 140598812, 281197624, 562395248, 667844357, 1124790496, 1335688714, 2671377428, 5342754856, 10685509712, 21371019424]

約数ペア:

[(1, 21371019424), (2, 10685509712), (4, 5342754856), (8, 2671377428), (16, 1335688714), (19, 1124790496), (32, 667844357), (38, 562395248), (76, 281197624), (152, 140598812), (304, 70299406), (608, 35149703), (4639, 4606816), (7577, 2820512), (9278, 2303408), (15154, 1410256), (18556, 1151704), (30308, 705128), (37112, 575852), (60616, 352564), (74224, 287926), (88141, 242464), (121232, 176282), (143963, 148448)]