21015696

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33679}}^1$

素因数の和:33703

約数の個数: 40

約数和(自身を含む): 58468480

約数和(自身を除く): 37452784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33679, 67358, 101037, 134716, 202074, 269432, 404148, 437827, 538864, 808296, 875654, 1313481, 1616592, 1751308, 2626962, 3502616, 5253924, 7005232, 10507848, 21015696]

約数ペア:

[(1, 21015696), (2, 10507848), (3, 7005232), (4, 5253924), (6, 3502616), (8, 2626962), (12, 1751308), (13, 1616592), (16, 1313481), (24, 875654), (26, 808296), (39, 538864), (48, 437827), (52, 404148), (78, 269432), (104, 202074), (156, 134716), (208, 101037), (312, 67358), (624, 33679)]