21000974115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{23087}}^1$

素因数の和:23292

約数の個数: 64

約数和(自身を含む): 37901260800

約数和(自身を除く): 16900286685

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 149, 165, 185, 407, 447, 555, 745, 1221, 1639, 2035, 2235, 4917, 5513, 6105, 8195, 16539, 23087, 24585, 27565, 60643, 69261, 82695, 115435, 181929, 253957, 303215, 346305, 761871, 854219, 909645, 1269785, 2562657, 3439963, 3809355, 4271095, 9396409, 10319889, 12813285, 17199815, 28189227, 37839593, 46982045, 51599445, 113518779, 127278631, 140946135, 189197965, 381835893, 567593895, 636393155, 1400064941, 1909179465, 4200194823, 7000324705, 21000974115]

約数ペア:

[(1, 21000974115), (3, 7000324705), (5, 4200194823), (11, 1909179465), (15, 1400064941), (33, 636393155), (37, 567593895), (55, 381835893), (111, 189197965), (149, 140946135), (165, 127278631), (185, 113518779), (407, 51599445), (447, 46982045), (555, 37839593), (745, 28189227), (1221, 17199815), (1639, 12813285), (2035, 10319889), (2235, 9396409), (4917, 4271095), (5513, 3809355), (6105, 3439963), (8195, 2562657), (16539, 1269785), (23087, 909645), (24585, 854219), (27565, 761871), (60643, 346305), (69261, 303215), (82695, 253957), (115435, 181929)]