21285330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1217}}^1$

素因数の和:1291

約数の個数: 64

約数和(自身を含む): 56827008

約数和(自身を除く): 35541678

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 53, 55, 66, 106, 110, 159, 165, 265, 318, 330, 530, 583, 795, 1166, 1217, 1590, 1749, 2434, 2915, 3498, 3651, 5830, 6085, 7302, 8745, 12170, 13387, 17490, 18255, 26774, 36510, 40161, 64501, 66935, 80322, 129002, 133870, 193503, 200805, 322505, 387006, 401610, 645010, 709511, 967515, 1419022, 1935030, 2128533, 3547555, 4257066, 7095110, 10642665, 21285330]

約数ペア:

[(1, 21285330), (2, 10642665), (3, 7095110), (5, 4257066), (6, 3547555), (10, 2128533), (11, 1935030), (15, 1419022), (22, 967515), (30, 709511), (33, 645010), (53, 401610), (55, 387006), (66, 322505), (106, 200805), (110, 193503), (159, 133870), (165, 129002), (265, 80322), (318, 66935), (330, 64501), (530, 40161), (583, 36510), (795, 26774), (1166, 18255), (1217, 17490), (1590, 13387), (1749, 12170), (2434, 8745), (2915, 7302), (3498, 6085), (3651, 5830)]