21598136

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 28168264

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 53, 56, 76, 106, 133, 152, 212, 266, 371, 383, 424, 532, 742, 766, 1007, 1064, 1484, 1532, 2014, 2681, 2968, 3064, 4028, 5362, 7049, 7277, 8056, 10724, 14098, 14554, 20299, 21448, 28196, 29108, 40598, 50939, 56392, 58216, 81196, 101878, 142093, 162392, 203756, 284186, 385681, 407512, 568372, 771362, 1136744, 1542724, 2699767, 3085448, 5399534, 10799068, 21598136]

約数ペア:

[(1, 21598136), (2, 10799068), (4, 5399534), (7, 3085448), (8, 2699767), (14, 1542724), (19, 1136744), (28, 771362), (38, 568372), (53, 407512), (56, 385681), (76, 284186), (106, 203756), (133, 162392), (152, 142093), (212, 101878), (266, 81196), (371, 58216), (383, 56392), (424, 50939), (532, 40598), (742, 29108), (766, 28196), (1007, 21448), (1064, 20299), (1484, 14554), (1532, 14098), (2014, 10724), (2681, 8056), (2968, 7277), (3064, 7049), (4028, 5362)]