21512596

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7607}}^1$

素因数の和:7719

約数の個数: 24

約数和(自身を含む): 43456896

約数和(自身を除く): 21944300

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7607, 15214, 30428, 53249, 106498, 212996, 768307, 1536614, 3073228, 5378149, 10756298, 21512596]

約数ペア:

[(1, 21512596), (2, 10756298), (4, 5378149), (7, 3073228), (14, 1536614), (28, 768307), (101, 212996), (202, 106498), (404, 53249), (707, 30428), (1414, 15214), (2828, 7607)]