21615672925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{92801}}^1$

素因数の和:92851

約数の個数: 48

約数和(自身を含む): 33693807744

約数和(自身を除く): 12078134819

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 275, 385, 605, 847, 1331, 1925, 3025, 4235, 6655, 9317, 21175, 33275, 46585, 92801, 232925, 464005, 649607, 1020811, 2320025, 3248035, 5104055, 7145677, 11228921, 16240175, 25520275, 35728385, 56144605, 78602447, 123518131, 178641925, 280723025, 393012235, 617590655, 864626917, 1965061175, 3087953275, 4323134585, 21615672925]

約数ペア:

[(1, 21615672925), (5, 4323134585), (7, 3087953275), (11, 1965061175), (25, 864626917), (35, 617590655), (55, 393012235), (77, 280723025), (121, 178641925), (175, 123518131), (275, 78602447), (385, 56144605), (605, 35728385), (847, 25520275), (1331, 16240175), (1925, 11228921), (3025, 7145677), (4235, 5104055), (6655, 3248035), (9317, 2320025), (21175, 1020811), (33275, 649607), (46585, 464005), (92801, 232925)]