21973875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 45646848

約数和(自身を除く): 23672973

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 125, 165, 175, 231, 275, 375, 385, 525, 761, 825, 875, 1155, 1375, 1925, 2283, 2625, 3805, 4125, 5327, 5775, 8371, 9625, 11415, 15981, 19025, 25113, 26635, 28875, 41855, 57075, 58597, 79905, 95125, 125565, 133175, 175791, 209275, 285375, 292985, 399525, 627825, 665875, 878955, 1046375, 1464925, 1997625, 3139125, 4394775, 7324625, 21973875]

約数ペア:

[(1, 21973875), (3, 7324625), (5, 4394775), (7, 3139125), (11, 1997625), (15, 1464925), (21, 1046375), (25, 878955), (33, 665875), (35, 627825), (55, 399525), (75, 292985), (77, 285375), (105, 209275), (125, 175791), (165, 133175), (175, 125565), (231, 95125), (275, 79905), (375, 58597), (385, 57075), (525, 41855), (761, 28875), (825, 26635), (875, 25113), (1155, 19025), (1375, 15981), (1925, 11415), (2283, 9625), (2625, 8371), (3805, 5775), (4125, 5327)]