21625744

素因数分解:

$2^4\times 7^1\times {\mathrm{293}}^1\times {\mathrm{659}}^1$

素因数の和:967

約数の個数: 40

約数和(自身を含む): 48121920

約数和(自身を除く): 26496176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 293, 586, 659, 1172, 1318, 2051, 2344, 2636, 4102, 4613, 4688, 5272, 8204, 9226, 10544, 16408, 18452, 32816, 36904, 73808, 193087, 386174, 772348, 1351609, 1544696, 2703218, 3089392, 5406436, 10812872, 21625744]

約数ペア:

[(1, 21625744), (2, 10812872), (4, 5406436), (7, 3089392), (8, 2703218), (14, 1544696), (16, 1351609), (28, 772348), (56, 386174), (112, 193087), (293, 73808), (586, 36904), (659, 32816), (1172, 18452), (1318, 16408), (2051, 10544), (2344, 9226), (2636, 8204), (4102, 5272), (4613, 4688)]