21377762

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 38195712

約数和(自身を除く): 16817950

約数列:

[1, 2, 7, 14, 47, 53, 94, 106, 329, 371, 613, 658, 742, 1226, 2491, 4291, 4982, 8582, 17437, 28811, 32489, 34874, 57622, 64978, 201677, 227423, 403354, 454846, 1526983, 3053966, 10688881, 21377762]

約数ペア:

[(1, 21377762), (2, 10688881), (7, 3053966), (14, 1526983), (47, 454846), (53, 403354), (94, 227423), (106, 201677), (329, 64978), (371, 57622), (613, 34874), (658, 32489), (742, 28811), (1226, 17437), (2491, 8582), (4291, 4982)]