21174972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19391}}^1$

素因数の和:19418

約数の個数: 48

約数和(自身を含む): 60813312

約数和(自身を除く): 39638340

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19391, 38782, 58173, 77564, 116346, 135737, 232692, 252083, 271474, 407211, 504166, 542948, 756249, 814422, 1008332, 1512498, 1628844, 1764581, 3024996, 3529162, 5293743, 7058324, 10587486, 21174972]

約数ペア:

[(1, 21174972), (2, 10587486), (3, 7058324), (4, 5293743), (6, 3529162), (7, 3024996), (12, 1764581), (13, 1628844), (14, 1512498), (21, 1008332), (26, 814422), (28, 756249), (39, 542948), (42, 504166), (52, 407211), (78, 271474), (84, 252083), (91, 232692), (156, 135737), (182, 116346), (273, 77564), (364, 58173), (546, 38782), (1092, 19391)]