21956844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20107}}^1$

素因数の和:20134

約数の個数: 48

約数和(自身を含む): 63058688

約数和(自身を除く): 41101844

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, 20107, 40214, 60321, 80428, 120642, 140749, 241284, 261391, 281498, 422247, 522782, 562996, 784173, 844494, 1045564, 1568346, 1688988, 1829737, 3136692, 3659474, 5489211, 7318948, 10978422, 21956844]

約数ペア:

[(1, 21956844), (2, 10978422), (3, 7318948), (4, 5489211), (6, 3659474), (7, 3136692), (12, 1829737), (13, 1688988), (14, 1568346), (21, 1045564), (26, 844494), (28, 784173), (39, 562996), (42, 522782), (52, 422247), (78, 281498), (84, 261391), (91, 241284), (156, 140749), (182, 120642), (273, 80428), (364, 60321), (546, 40214), (1092, 20107)]