21614901

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{683}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 36246528

約数和(自身を除く): 14631627

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 683, 959, 1507, 2049, 2877, 4521, 4781, 7513, 10549, 14343, 22539, 31647, 52591, 93571, 157773, 280713, 654997, 1029281, 1964991, 3087843, 7204967, 21614901]

約数ペア:

[(1, 21614901), (3, 7204967), (7, 3087843), (11, 1964991), (21, 1029281), (33, 654997), (77, 280713), (137, 157773), (231, 93571), (411, 52591), (683, 31647), (959, 22539), (1507, 14343), (2049, 10549), (2877, 7513), (4521, 4781)]