21570792

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 56524800

約数和(自身を除く): 34954008

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 79, 93, 124, 158, 186, 237, 248, 316, 367, 372, 474, 632, 734, 744, 948, 1101, 1468, 1896, 2202, 2449, 2936, 4404, 4898, 7347, 8808, 9796, 11377, 14694, 19592, 22754, 28993, 29388, 34131, 45508, 57986, 58776, 68262, 86979, 91016, 115972, 136524, 173958, 231944, 273048, 347916, 695832, 898783, 1797566, 2696349, 3595132, 5392698, 7190264, 10785396, 21570792]

約数ペア:

[(1, 21570792), (2, 10785396), (3, 7190264), (4, 5392698), (6, 3595132), (8, 2696349), (12, 1797566), (24, 898783), (31, 695832), (62, 347916), (79, 273048), (93, 231944), (124, 173958), (158, 136524), (186, 115972), (237, 91016), (248, 86979), (316, 68262), (367, 58776), (372, 57986), (474, 45508), (632, 34131), (734, 29388), (744, 28993), (948, 22754), (1101, 19592), (1468, 14694), (1896, 11377), (2202, 9796), (2449, 8808), (2936, 7347), (4404, 4898)]