21109392

素因数分解:

$2^4\times 3^2\times {\mathrm{47}}^1\times {\mathrm{3119}}^1$

素因数の和:3180

約数の個数: 60

約数和(自身を含む): 60353280

約数和(自身を除く): 39243888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 47, 48, 72, 94, 141, 144, 188, 282, 376, 423, 564, 752, 846, 1128, 1692, 2256, 3119, 3384, 6238, 6768, 9357, 12476, 18714, 24952, 28071, 37428, 49904, 56142, 74856, 112284, 146593, 149712, 224568, 293186, 439779, 449136, 586372, 879558, 1172744, 1319337, 1759116, 2345488, 2638674, 3518232, 5277348, 7036464, 10554696, 21109392]

約数ペア:

[(1, 21109392), (2, 10554696), (3, 7036464), (4, 5277348), (6, 3518232), (8, 2638674), (9, 2345488), (12, 1759116), (16, 1319337), (18, 1172744), (24, 879558), (36, 586372), (47, 449136), (48, 439779), (72, 293186), (94, 224568), (141, 149712), (144, 146593), (188, 112284), (282, 74856), (376, 56142), (423, 49904), (564, 37428), (752, 28071), (846, 24952), (1128, 18714), (1692, 12476), (2256, 9357), (3119, 6768), (3384, 6238)]