21464430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1171}}^1$

素因数の和:1241

約数の個数: 64

約数和(自身を含む): 56706048

約数和(自身を除く): 35241618

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 130, 141, 195, 235, 282, 390, 470, 611, 705, 1171, 1222, 1410, 1833, 2342, 3055, 3513, 3666, 5855, 6110, 7026, 9165, 11710, 15223, 17565, 18330, 30446, 35130, 45669, 55037, 76115, 91338, 110074, 152230, 165111, 228345, 275185, 330222, 456690, 550370, 715481, 825555, 1430962, 1651110, 2146443, 3577405, 4292886, 7154810, 10732215, 21464430]

約数ペア:

[(1, 21464430), (2, 10732215), (3, 7154810), (5, 4292886), (6, 3577405), (10, 2146443), (13, 1651110), (15, 1430962), (26, 825555), (30, 715481), (39, 550370), (47, 456690), (65, 330222), (78, 275185), (94, 228345), (130, 165111), (141, 152230), (195, 110074), (235, 91338), (282, 76115), (390, 55037), (470, 45669), (611, 35130), (705, 30446), (1171, 18330), (1222, 17565), (1410, 15223), (1833, 11710), (2342, 9165), (3055, 7026), (3513, 6110), (3666, 5855)]