21509766

素因数分解:

$2^1\times 3^3\times {\mathrm{379}}^1\times {\mathrm{1051}}^1$

素因数の和:1441

約数の個数: 32

約数和(自身を含む): 47971200

約数和(自身を除く): 26461434

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 379, 758, 1051, 1137, 2102, 2274, 3153, 3411, 6306, 6822, 9459, 10233, 18918, 20466, 28377, 56754, 398329, 796658, 1194987, 2389974, 3584961, 7169922, 10754883, 21509766]

約数ペア:

[(1, 21509766), (2, 10754883), (3, 7169922), (6, 3584961), (9, 2389974), (18, 1194987), (27, 796658), (54, 398329), (379, 56754), (758, 28377), (1051, 20466), (1137, 18918), (2102, 10233), (2274, 9459), (3153, 6822), (3411, 6306)]