21092762845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1\times {\mathrm{2339}}^1$

素因数の和:2818

約数の個数: 64

約数和(自身を含む): 32186419200

約数和(自身を除く): 11093656355

約数列:

[1, 5, 7, 11, 35, 55, 59, 77, 295, 385, 397, 413, 649, 1985, 2065, 2339, 2779, 3245, 4367, 4543, 11695, 13895, 16373, 21835, 22715, 23423, 25729, 30569, 81865, 117115, 128645, 138001, 152845, 163961, 180103, 257653, 690005, 819805, 900515, 928583, 966007, 1288265, 1518011, 1803571, 4642915, 4830035, 6500081, 7590055, 9017855, 10214413, 10626077, 32500405, 51072065, 53130385, 54786397, 71500891, 273931985, 357504455, 383504779, 602650367, 1917523895, 3013251835, 4218552569, 21092762845]

約数ペア:

[(1, 21092762845), (5, 4218552569), (7, 3013251835), (11, 1917523895), (35, 602650367), (55, 383504779), (59, 357504455), (77, 273931985), (295, 71500891), (385, 54786397), (397, 53130385), (413, 51072065), (649, 32500405), (1985, 10626077), (2065, 10214413), (2339, 9017855), (2779, 7590055), (3245, 6500081), (4367, 4830035), (4543, 4642915), (11695, 1803571), (13895, 1518011), (16373, 1288265), (21835, 966007), (22715, 928583), (23423, 900515), (25729, 819805), (30569, 690005), (81865, 257653), (117115, 180103), (128645, 163961), (138001, 152845)]