21302344

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20021}}^1$

素因数の和:20053

約数の個数: 32

約数和(自身を含む): 48052800

約数和(自身を除く): 26750456

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20021, 40042, 80084, 140147, 160168, 280294, 380399, 560588, 760798, 1121176, 1521596, 2662793, 3043192, 5325586, 10651172, 21302344]

約数ペア:

[(1, 21302344), (2, 10651172), (4, 5325586), (7, 3043192), (8, 2662793), (14, 1521596), (19, 1121176), (28, 760798), (38, 560588), (56, 380399), (76, 280294), (133, 160168), (152, 140147), (266, 80084), (532, 40042), (1064, 20021)]