21736845

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 41212080

約数和(自身を除く): 19475235

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 73, 117, 195, 219, 365, 509, 585, 657, 949, 1095, 1527, 2545, 2847, 3285, 4581, 4745, 6617, 7635, 8541, 14235, 19851, 22905, 33085, 37157, 42705, 59553, 99255, 111471, 185785, 297765, 334413, 483041, 557355, 1449123, 1672065, 2415205, 4347369, 7245615, 21736845]

約数ペア:

[(1, 21736845), (3, 7245615), (5, 4347369), (9, 2415205), (13, 1672065), (15, 1449123), (39, 557355), (45, 483041), (65, 334413), (73, 297765), (117, 185785), (195, 111471), (219, 99255), (365, 59553), (509, 42705), (585, 37157), (657, 33085), (949, 22905), (1095, 19851), (1527, 14235), (2545, 8541), (2847, 7635), (3285, 6617), (4581, 4745)]