21759472

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8447}}^1$

素因数の和:8485

約数の個数: 40

約数和(自身を含む): 50282496

約数和(自身を除く): 28523024

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8447, 16894, 33788, 59129, 67576, 118258, 135152, 194281, 236516, 388562, 473032, 777124, 946064, 1359967, 1554248, 2719934, 3108496, 5439868, 10879736, 21759472]

約数ペア:

[(1, 21759472), (2, 10879736), (4, 5439868), (7, 3108496), (8, 2719934), (14, 1554248), (16, 1359967), (23, 946064), (28, 777124), (46, 473032), (56, 388562), (92, 236516), (112, 194281), (161, 135152), (184, 118258), (322, 67576), (368, 59129), (644, 33788), (1288, 16894), (2576, 8447)]