21463065

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1974

約数の個数: 48

約数和(自身を含む): 42194880

約数和(自身を除く): 20731815

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 1931, 2223, 3705, 5793, 9655, 11115, 17379, 25103, 28965, 36689, 75309, 86895, 110067, 125515, 183445, 225927, 330201, 376545, 476957, 550335, 1129635, 1430871, 1651005, 2384785, 4292613, 7154355, 21463065]

約数ペア:

[(1, 21463065), (3, 7154355), (5, 4292613), (9, 2384785), (13, 1651005), (15, 1430871), (19, 1129635), (39, 550335), (45, 476957), (57, 376545), (65, 330201), (95, 225927), (117, 183445), (171, 125515), (195, 110067), (247, 86895), (285, 75309), (585, 36689), (741, 28965), (855, 25103), (1235, 17379), (1931, 11115), (2223, 9655), (3705, 5793)]