21148572

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 51430400

約数和(自身を除く): 30281828

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 139, 186, 278, 372, 409, 417, 556, 818, 834, 1227, 1636, 1668, 2454, 4309, 4908, 8618, 12679, 12927, 17236, 25358, 25854, 38037, 50716, 51708, 56851, 76074, 113702, 152148, 170553, 227404, 341106, 682212, 1762381, 3524762, 5287143, 7049524, 10574286, 21148572]

約数ペア:

[(1, 21148572), (2, 10574286), (3, 7049524), (4, 5287143), (6, 3524762), (12, 1762381), (31, 682212), (62, 341106), (93, 227404), (124, 170553), (139, 152148), (186, 113702), (278, 76074), (372, 56851), (409, 51708), (417, 50716), (556, 38037), (818, 25854), (834, 25358), (1227, 17236), (1636, 12927), (1668, 12679), (2454, 8618), (4309, 4908)]