21652134

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 53391360

約数和(自身を除く): 31739226

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 43, 57, 86, 114, 129, 133, 258, 266, 301, 399, 602, 631, 798, 817, 903, 1262, 1634, 1806, 1893, 2451, 3786, 4417, 4902, 5719, 8834, 11438, 11989, 13251, 17157, 23978, 26502, 27133, 34314, 35967, 54266, 71934, 81399, 83923, 162798, 167846, 189931, 251769, 379862, 503538, 515527, 569793, 1031054, 1139586, 1546581, 3093162, 3608689, 7217378, 10826067, 21652134]

約数ペア:

[(1, 21652134), (2, 10826067), (3, 7217378), (6, 3608689), (7, 3093162), (14, 1546581), (19, 1139586), (21, 1031054), (38, 569793), (42, 515527), (43, 503538), (57, 379862), (86, 251769), (114, 189931), (129, 167846), (133, 162798), (258, 83923), (266, 81399), (301, 71934), (399, 54266), (602, 35967), (631, 34314), (798, 27133), (817, 26502), (903, 23978), (1262, 17157), (1634, 13251), (1806, 11989), (1893, 11438), (2451, 8834), (3786, 5719), (4417, 4902)]