21274032

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 59940608

約数和(自身を除く): 38666576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 103, 104, 156, 206, 208, 309, 312, 331, 412, 618, 624, 662, 824, 993, 1236, 1324, 1339, 1648, 1986, 2472, 2648, 2678, 3972, 4017, 4303, 4944, 5296, 5356, 7944, 8034, 8606, 10712, 12909, 15888, 16068, 17212, 21424, 25818, 32136, 34093, 34424, 51636, 64272, 68186, 68848, 102279, 103272, 136372, 204558, 206544, 272744, 409116, 443209, 545488, 818232, 886418, 1329627, 1636464, 1772836, 2659254, 3545672, 5318508, 7091344, 10637016, 21274032]

約数ペア:

[(1, 21274032), (2, 10637016), (3, 7091344), (4, 5318508), (6, 3545672), (8, 2659254), (12, 1772836), (13, 1636464), (16, 1329627), (24, 886418), (26, 818232), (39, 545488), (48, 443209), (52, 409116), (78, 272744), (103, 206544), (104, 204558), (156, 136372), (206, 103272), (208, 102279), (309, 68848), (312, 68186), (331, 64272), (412, 51636), (618, 34424), (624, 34093), (662, 32136), (824, 25818), (993, 21424), (1236, 17212), (1324, 16068), (1339, 15888), (1648, 12909), (1986, 10712), (2472, 8606), (2648, 8034), (2678, 7944), (3972, 5356), (4017, 5296), (4303, 4944)]