21182590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14813}}^1$

素因数の和:14844

約数の個数: 32

約数和(自身を含む): 44797536

約数和(自身を除く): 23614946

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14813, 29626, 74065, 148130, 162943, 192569, 325886, 385138, 814715, 962845, 1629430, 1925690, 2118259, 4236518, 10591295, 21182590]

約数ペア:

[(1, 21182590), (2, 10591295), (5, 4236518), (10, 2118259), (11, 1925690), (13, 1629430), (22, 962845), (26, 814715), (55, 385138), (65, 325886), (110, 192569), (130, 162943), (143, 148130), (286, 74065), (715, 29626), (1430, 14813)]