21721410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14197}}^1$

素因数の和:14227

約数の個数: 48

約数和(自身を含む): 59801976

約数和(自身を除く): 38080566

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 14197, 28394, 42591, 70985, 85182, 127773, 141970, 212955, 241349, 255546, 425910, 482698, 638865, 724047, 1206745, 1277730, 1448094, 2172141, 2413490, 3620235, 4344282, 7240470, 10860705, 21721410]

約数ペア:

[(1, 21721410), (2, 10860705), (3, 7240470), (5, 4344282), (6, 3620235), (9, 2413490), (10, 2172141), (15, 1448094), (17, 1277730), (18, 1206745), (30, 724047), (34, 638865), (45, 482698), (51, 425910), (85, 255546), (90, 241349), (102, 212955), (153, 141970), (170, 127773), (255, 85182), (306, 70985), (510, 42591), (765, 28394), (1530, 14197)]