21846195

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 43610112

約数和(自身を除く): 21763917

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 223, 311, 315, 669, 933, 1115, 1555, 1561, 2007, 2177, 2799, 3345, 4665, 4683, 6531, 7805, 10035, 10885, 13995, 14049, 19593, 23415, 32655, 69353, 70245, 97965, 208059, 346765, 485471, 624177, 1040295, 1456413, 2427355, 3120885, 4369239, 7282065, 21846195]

約数ペア:

[(1, 21846195), (3, 7282065), (5, 4369239), (7, 3120885), (9, 2427355), (15, 1456413), (21, 1040295), (35, 624177), (45, 485471), (63, 346765), (105, 208059), (223, 97965), (311, 70245), (315, 69353), (669, 32655), (933, 23415), (1115, 19593), (1555, 14049), (1561, 13995), (2007, 10885), (2177, 10035), (2799, 7805), (3345, 6531), (4665, 4683)]