21357264

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^2\times {\mathrm{463}}^1$

素因数の和:536

約数の個数: 60

約数和(自身を含む): 57133248

約数和(自身を除く): 35775984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 463, 496, 744, 926, 961, 1389, 1488, 1852, 1922, 2778, 2883, 3704, 3844, 5556, 5766, 7408, 7688, 11112, 11532, 14353, 15376, 22224, 23064, 28706, 43059, 46128, 57412, 86118, 114824, 172236, 229648, 344472, 444943, 688944, 889886, 1334829, 1779772, 2669658, 3559544, 5339316, 7119088, 10678632, 21357264]

約数ペア:

[(1, 21357264), (2, 10678632), (3, 7119088), (4, 5339316), (6, 3559544), (8, 2669658), (12, 1779772), (16, 1334829), (24, 889886), (31, 688944), (48, 444943), (62, 344472), (93, 229648), (124, 172236), (186, 114824), (248, 86118), (372, 57412), (463, 46128), (496, 43059), (744, 28706), (926, 23064), (961, 22224), (1389, 15376), (1488, 14353), (1852, 11532), (1922, 11112), (2778, 7688), (2883, 7408), (3704, 5766), (3844, 5556)]