21074064

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 59996160

約数和(自身を除く): 38922096

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 167, 176, 239, 264, 334, 478, 501, 528, 668, 717, 956, 1002, 1336, 1434, 1837, 1912, 2004, 2629, 2672, 2868, 3674, 3824, 4008, 5258, 5511, 5736, 7348, 7887, 8016, 10516, 11022, 11472, 14696, 15774, 21032, 22044, 29392, 31548, 39913, 42064, 44088, 63096, 79826, 88176, 119739, 126192, 159652, 239478, 319304, 439043, 478956, 638608, 878086, 957912, 1317129, 1756172, 1915824, 2634258, 3512344, 5268516, 7024688, 10537032, 21074064]

約数ペア:

[(1, 21074064), (2, 10537032), (3, 7024688), (4, 5268516), (6, 3512344), (8, 2634258), (11, 1915824), (12, 1756172), (16, 1317129), (22, 957912), (24, 878086), (33, 638608), (44, 478956), (48, 439043), (66, 319304), (88, 239478), (132, 159652), (167, 126192), (176, 119739), (239, 88176), (264, 79826), (334, 63096), (478, 44088), (501, 42064), (528, 39913), (668, 31548), (717, 29392), (956, 22044), (1002, 21032), (1336, 15774), (1434, 14696), (1837, 11472), (1912, 11022), (2004, 10516), (2629, 8016), (2672, 7887), (2868, 7348), (3674, 5736), (3824, 5511), (4008, 5258)]