21703410

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2593}}^1$

素因数の和:2640

約数の個数: 64

約数和(自身を含む): 59765760

約数和(自身を除く): 38062350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2593, 2790, 4185, 5186, 7779, 8370, 12965, 15558, 23337, 25930, 38895, 46674, 70011, 77790, 80383, 116685, 140022, 160766, 233370, 241149, 350055, 401915, 482298, 700110, 723447, 803830, 1205745, 1446894, 2170341, 2411490, 3617235, 4340682, 7234470, 10851705, 21703410]

約数ペア:

[(1, 21703410), (2, 10851705), (3, 7234470), (5, 4340682), (6, 3617235), (9, 2411490), (10, 2170341), (15, 1446894), (18, 1205745), (27, 803830), (30, 723447), (31, 700110), (45, 482298), (54, 401915), (62, 350055), (90, 241149), (93, 233370), (135, 160766), (155, 140022), (186, 116685), (270, 80383), (279, 77790), (310, 70011), (465, 46674), (558, 38895), (837, 25930), (930, 23337), (1395, 15558), (1674, 12965), (2593, 8370), (2790, 7779), (4185, 5186)]