2021471319

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1\times {\mathrm{1979}}^1$

素因数の和:2499

約数の個数: 32

約数和(自身を含む): 3114270720

約数和(自身を除く): 1092799401

約数列:

[1, 3, 7, 21, 127, 381, 383, 889, 1149, 1979, 2667, 2681, 5937, 8043, 13853, 41559, 48641, 145923, 251333, 340487, 753999, 757957, 1021461, 1759331, 2273871, 5277993, 5305699, 15917097, 96260539, 288781617, 673823773, 2021471319]

約数ペア:

[(1, 2021471319), (3, 673823773), (7, 288781617), (21, 96260539), (127, 15917097), (381, 5305699), (383, 5277993), (889, 2273871), (1149, 1759331), (1979, 1021461), (2667, 757957), (2681, 753999), (5937, 340487), (8043, 251333), (13853, 145923), (41559, 48641)]