21620048263

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1\times {\mathrm{1987}}^1$

素因数の和:2755

約数の個数: 32

約数和(自身を含む): 25191936000

約数和(自身を除く): 3571887737

約数列:

[1, 11, 19, 79, 209, 659, 869, 1501, 1987, 7249, 12521, 16511, 21857, 37753, 52061, 137731, 156973, 415283, 572671, 989159, 1309433, 1726703, 2982487, 10880749, 14403763, 24879227, 32807357, 103445207, 273671497, 1137897277, 1965458933, 21620048263]

約数ペア:

[(1, 21620048263), (11, 1965458933), (19, 1137897277), (79, 273671497), (209, 103445207), (659, 32807357), (869, 24879227), (1501, 14403763), (1987, 10880749), (7249, 2982487), (12521, 1726703), (16511, 1309433), (21857, 989159), (37753, 572671), (52061, 415283), (137731, 156973)]