21451650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13001}}^1$

素因数の和:13027

約数の個数: 48

約数和(自身を含む): 58040928

約数和(自身を除く): 36589278

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 13001, 26002, 39003, 65005, 78006, 130010, 143011, 195015, 286022, 325025, 390030, 429033, 650050, 715055, 858066, 975075, 1430110, 1950150, 2145165, 3575275, 4290330, 7150550, 10725825, 21451650]

約数ペア:

[(1, 21451650), (2, 10725825), (3, 7150550), (5, 4290330), (6, 3575275), (10, 2145165), (11, 1950150), (15, 1430110), (22, 975075), (25, 858066), (30, 715055), (33, 650050), (50, 429033), (55, 390030), (66, 325025), (75, 286022), (110, 195015), (150, 143011), (165, 130010), (275, 78006), (330, 65005), (550, 39003), (825, 26002), (1650, 13001)]