21657034

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 17050166

約数列:

[1, 2, 7, 14, 31, 62, 139, 217, 278, 359, 434, 718, 973, 1946, 2513, 4309, 5026, 8618, 11129, 22258, 30163, 49901, 60326, 77903, 99802, 155806, 349307, 698614, 1546931, 3093862, 10828517, 21657034]

約数ペア:

[(1, 21657034), (2, 10828517), (7, 3093862), (14, 1546931), (31, 698614), (62, 349307), (139, 155806), (217, 99802), (278, 77903), (359, 60326), (434, 49901), (718, 30163), (973, 22258), (1946, 11129), (2513, 8618), (4309, 5026)]