21532210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10607}}^1$

素因数の和:10650

約数の個数: 32

約数和(自身を含む): 45826560

約数和(自身を除く): 24294350

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10607, 21214, 53035, 74249, 106070, 148498, 307603, 371245, 615206, 742490, 1538015, 2153221, 3076030, 4306442, 10766105, 21532210]

約数ペア:

[(1, 21532210), (2, 10766105), (5, 4306442), (7, 3076030), (10, 2153221), (14, 1538015), (29, 742490), (35, 615206), (58, 371245), (70, 307603), (145, 148498), (203, 106070), (290, 74249), (406, 53035), (1015, 21214), (2030, 10607)]